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122110101020 = 22529392077409
BaseRepresentation
bin111000110111001010…
…1000100011000011100
3102200012001200211221002
41301232111010120130
54000040141213040
6132032511125432
711552000506265
oct1615625043034
9380161624832
10122110101020
1147871a72266
121b7ba513878
13b690400a5b
145ca56a196c
15329a365a15
hex1c6e54461c

122110101020 has 24 divisors (see below), whose sum is σ = 256518586800. Its totient is φ = 48827397632.

The previous prime is 122110100977. The next prime is 122110101041. The reversal of 122110101020 is 20101011221.

It is a super-2 number, since 2×1221101010202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122110100992 and 122110101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979925 + ... + 1097484.

It is an arithmetic number, because the mean of its divisors is an integer number (10688274450).

Almost surely, 2122110101020 is an apocalyptic number.

122110101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122110101020 is an abundant number, since it is smaller than the sum of its proper divisors (134408485780).

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

122110101020 is a wasteful number, since it uses less digits than its factorization.

122110101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080357 (or 2080355 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122110101020 its reverse (20101011221), we get a palindrome (142211112241).

The spelling of 122110101020 in words is "one hundred twenty-two billion, one hundred ten million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 2939 5878 11756 14695 29390 58780 2077409 4154818 8309636 10387045 20774090 41548180 6105505051 12211010102 24422020204 30527525255 61055050510 122110101020