111020122010120 has 32 divisors (see below), whose sum is σ = 264489114202200. Its totient is φ = 41795810638848.

The previous prime is 111020122010117. The next prime is 111020122010143. The reversal of 111020122010120 is 21010221020111.

It can be written as a sum of positive squares in 4 ways, for example, as 110836720521604 + 183401488516 = 10527902^2 + 428254^2 .

It is a super-2 number, since 2×111020122010120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111020122010095 and 111020122010104.

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, 81632441975 + ... + 81632443334.

Almost surely, 2^{111020122010120} is an apocalyptic number.

111020122010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020122010120 is an abundant number, since it is smaller than the sum of its proper divisors (153468992192080).

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

111020122010120 is a wasteful number, since it uses less digits than its factorization.

111020122010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163264885337 (or 163264885333 counting only the distinct ones).

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

Adding to 111020122010120 its reverse (21010221020111), we get a palindrome (132030343030231).

Subtracting from 111020122010120 its reverse (21010221020111), we obtain a palindrome (90009900990009).

The spelling of 111020122010120 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-two million, ten thousand, one hundred twenty".