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122122110010220 = 22515738892391723
BaseRepresentation
bin11011110001000111000100…
…111111001000001101101100
3121000101202111211011010021122
4123301013010333020031230
5112001322040130311340
61111422042311120112
734503013505513015
oct3361070477101554
9530352454133248
10122122110010220
1135a03772425011
12118440bb673038
13531b0b105c658
142222a5519a00c
15e1ba2297bdb5
hex6f11c4fc836c

122122110010220 has 24 divisors (see below), whose sum is σ = 258089911480464. Its totient is φ = 48537704869056.

The previous prime is 122122110010217. The next prime is 122122110010223. The reversal of 122122110010220 is 22010011221221.

It is an interprime number because it is at equal distance from previous prime (122122110010217) and next prime (122122110010223).

It is not an unprimeable number, because it can be changed into a prime (122122110010223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19446192722 + ... + 19446199001.

It is an arithmetic number, because the mean of its divisors is an integer number (10753746311686).

Almost surely, 2122122110010220 is an apocalyptic number.

122122110010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122110010220 is an abundant number, since it is smaller than the sum of its proper divisors (135967801470244).

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

122122110010220 is a wasteful number, since it uses less digits than its factorization.

122122110010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38892391889 (or 38892391887 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122122110010220 its reverse (22010011221221), we get a palindrome (144132121231441).

The spelling of 122122110010220 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred ten million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 38892391723 77784783446 155569566892 194461958615 388923917230 777847834460 6106105500511 12212211001022 24424422002044 30530527502555 61061055005110 122122110010220