111111220001120 has 96 divisors (see below), whose sum is σ = 265863257958816. Its totient is φ = 43877627392000.

The previous prime is 111111220001083. The next prime is 111111220001239. The reversal of 111111220001120 is 21100022111111.

It is a junction number, because it is equal to n+sod(n) for n = 111111220001095 and 111111220001104.

It is a congruent number.

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, 4299821 + ... + 15514860.

It is an arithmetic number, because the mean of its divisors is an integer number (2769408937071).

Almost surely, 2^{111111220001120} is an apocalyptic number.

111111220001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111111220001120 is an abundant number, since it is smaller than the sum of its proper divisors (154752037957696).

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

111111220001120 is a wasteful number, since it uses less digits than its factorization.

111111220001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19815144 (or 19815136 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111111220001120 its reverse (21100022111111), we get a palindrome (132211242112231).

The spelling of 111111220001120 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred twenty million, one thousand, one hundred twenty".