122100111100040 has 32 divisors (see below), whose sum is σ = 274733261844480. Its totient is φ = 48838620107712.

The previous prime is 122100111100039. The next prime is 122100111100063. The reversal of 122100111100040 is 40001111001221.

It is a super-2 number, since 2×122100111100040² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122100111099988 and 122100111100024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43121114 + ... + 45865353.

It is an arithmetic number, because the mean of its divisors is an integer number (8585414432640).

Almost surely, 2^{122100111100040} is an apocalyptic number.

122100111100040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100111100040 is an abundant number, since it is smaller than the sum of its proper divisors (152633150744440).

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

122100111100040 is a wasteful number, since it uses less digits than its factorization.

122100111100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89020781 (or 89020777 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122100111100040 its reverse (40001111001221), we get a palindrome (162101222101261).

The spelling of 122100111100040 in words is "one hundred twenty-two trillion, one hundred billion, one hundred eleven million, one hundred thousand, forty".