111020120021122 has 32 divisors (see below), whose sum is σ = 188779959184320. Its totient is φ = 48543002671680.

The previous prime is 111020120021077. The next prime is 111020120021131. The reversal of 111020120021122 is 221120021020111.

It is a super-2 number, since 2×111020120021122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111020120021096 and 111020120021105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197637172 + ... + 198198112.

It is an arithmetic number, because the mean of its divisors is an integer number (5899373724510).

Almost surely, 2^{111020120021122} is an apocalyptic number.

111020120021122 is a deficient number, since it is larger than the sum of its proper divisors (77759839163198).

111020120021122 is a wasteful number, since it uses less digits than its factorization.

111020120021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961618.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111020120021122 its reverse (221120021020111), we get a palindrome (332140141041233).

The spelling of 111020120021122 in words is "one hundred eleven trillion, twenty billion, one hundred twenty million, twenty-one thousand, one hundred twenty-two".