111201121011022 has 48 divisors (see below), whose sum is σ = 197229683086128. Its totient is φ = 46872980622720.

The previous prime is 111201121010999. The next prime is 111201121011049. The reversal of 111201121011022 is 220110121102111.

It is a super-2 number, since 2×111201121011022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111201121010987 and 111201121011005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83371093 + ... + 84694399.

It is an arithmetic number, because the mean of its divisors is an integer number (4108951730961).

Almost surely, 2^{111201121011022} is an apocalyptic number.

111201121011022 is a deficient number, since it is larger than the sum of its proper divisors (86028562075106).

111201121011022 is a wasteful number, since it uses less digits than its factorization.

111201121011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337441 (or 1337434 counting only the distinct ones).

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

Adding to 111201121011022 its reverse (220110121102111), we get a palindrome (331311242113133).

The spelling of 111201121011022 in words is "one hundred eleven trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, twenty-two".