122111200001100 has 72 divisors (see below), whose sum is σ = 353309873609728. Its totient is φ = 32562851342400.

The previous prime is 122111200001081. The next prime is 122111200001113. The reversal of 122111200001100 is 1100002111221.

It is a super-2 number, since 2×122111200001100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86457585 + ... + 87858615.

Almost surely, 2^{122111200001100} is an apocalyptic number.

122111200001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111200001100 is an abundant number, since it is smaller than the sum of its proper divisors (231198673608628).

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

122111200001100 is a wasteful number, since it uses less digits than its factorization.

122111200001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691575 (or 1691568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122111200001100 its reverse (1100002111221), we get a palindrome (123211202112321).

The spelling of 122111200001100 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred million, one thousand, one hundred".