111202011020112 has 80 divisors (see below), whose sum is σ = 287392258896768. Its totient is φ = 37051804500480.

The previous prime is 111202011020099. The next prime is 111202011020117. The reversal of 111202011020112 is 211020110202111.

It is a happy number.

It is a super-2 number, since 2×111202011020112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111202011020091 and 111202011020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202011020117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648551378 + ... + 1648618830.

Almost surely, 2^{111202011020112} is an apocalyptic number.

111202011020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111202011020112 is an abundant number, since it is smaller than the sum of its proper divisors (176190247876656).

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

111202011020112 is a wasteful number, since it uses less digits than its factorization.

111202011020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81348 (or 81342 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111202011020112 its reverse (211020110202111), we get a palindrome (322222121222223).

The spelling of 111202011020112 in words is "one hundred eleven trillion, two hundred two billion, eleven million, twenty thousand, one hundred twelve".