122111011120 has 40 divisors (see below), whose sum is σ = 324466402464. Its totient is φ = 41866632192.

The previous prime is 122111011111. The next prime is 122111011147. The reversal of 122111011120 is 21110111221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×122111011120² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122111011120.

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, 109027129 + ... + 109028248.

Almost surely, 2^122111011120 is an apocalyptic number.

122111011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111011120 is an abundant number, since it is smaller than the sum of its proper divisors (202355391344).

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

122111011120 is a wasteful number, since it uses less digits than its factorization.

122111011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218055397 (or 218055391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122111011120 its reverse (21110111221), we get a palindrome (143221122341).

The spelling of 122111011120 in words is "one hundred twenty-two billion, one hundred eleven million, eleven thousand, one hundred twenty".