111211110201120 has 48 divisors (see below), whose sum is σ = 350314997135040. Its totient is φ = 29656296053504.

The previous prime is 111211110201119. The next prime is 111211110201133. The reversal of 111211110201120 is 21102011112111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×111211110201120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111211110201120.

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, 115844905980 + ... + 115844906939.

It is an arithmetic number, because the mean of its divisors is an integer number (7298229106980).

Almost surely, 2^{111211110201120} is an apocalyptic number.

111211110201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111211110201120 is an abundant number, since it is smaller than the sum of its proper divisors (239103886933920).

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

111211110201120 is a wasteful number, since it uses less digits than its factorization.

111211110201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231689812937 (or 231689812929 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111211110201120 its reverse (21102011112111), we get a palindrome (132313121313231).

The spelling of 111211110201120 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred ten million, two hundred one thousand, one hundred twenty".