122120011100 has 36 divisors (see below), whose sum is σ = 276522186864. Its totient is φ = 46724177280.

The previous prime is 122120011099. The next prime is 122120011127. The reversal of 122120011100 is 1110021221.

It is a super-2 number, since 2×122120011100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26545529 + ... + 26550128.

Almost surely, 2^122120011100 is an apocalyptic number.

122120011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120011100 is an abundant number, since it is smaller than the sum of its proper divisors (154402175764).

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

122120011100 is a wasteful number, since it uses less digits than its factorization.

122120011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53095694 (or 53095687 counting only the distinct ones).

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

Adding to 122120011100 its reverse (1110021221), we get a palindrome (123230032321).

The spelling of 122120011100 in words is "one hundred twenty-two billion, one hundred twenty million, eleven thousand, one hundred".