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122220211001020 = 225111015500459541
BaseRepresentation
bin11011110010100010011100…
…010000101101011010111100
3121000202010201122110210122021
4123302202130100231122330
5112004423443004013040
61111535104555525524
734513055523256366
oct3362423420553274
9530663648423567
10122220211001020
1135a41333921420
121185b1194598a4
1353274162c44c2
1422276bdd2dd36
15e1e36510224a
hex6f289c42d6bc

122220211001020 has 48 divisors (see below), whose sum is σ = 282767624135136. Its totient is φ = 44003676320000.

The previous prime is 122220211001011. The next prime is 122220211001041. The reversal of 122220211001020 is 20100112022221.

It is a happy number.

122220211001020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 122220211000985 and 122220211001003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2750207551 + ... + 2750251990.

It is an arithmetic number, because the mean of its divisors is an integer number (5890992169482).

Almost surely, 2122220211001020 is an apocalyptic number.

122220211001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220211001020 is an abundant number, since it is smaller than the sum of its proper divisors (160547413134116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122220211001020 is a wasteful number, since it uses less digits than its factorization.

122220211001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500459662 (or 5500459660 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122220211001020 its reverse (20100112022221), we get a palindrome (142320323023241).

The spelling of 122220211001020 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred eleven million, one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 101 110 202 220 404 505 1010 1111 2020 2222 4444 5555 11110 22220 5500459541 11000919082 22001838164 27502297705 55004595410 60505054951 110009190820 121010109902 242020219804 302525274755 555546413641 605050549510 1111092827282 1210101099020 2222185654564 2777732068205 5555464136410 6111010550051 11110928272820 12222021100102 24444042200204 30555052750255 61110105500510 122220211001020