111220122112000 has 208 divisors, whose sum is σ = 302805328872384. Its totient is φ = 40443678720000.

The previous prime is 111220122111991. The next prime is 111220122112049. The reversal of 111220122112000 is 211221022111.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 4241946 + ... + 15505945.

It is an arithmetic number, because the mean of its divisors is an integer number (1455794850348).

Almost surely, 2^{111220122112000} is an apocalyptic number.

111220122112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220122112000 is an abundant number, since it is smaller than the sum of its proper divisors (191585206760384).

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

111220122112000 is an equidigital number, since it uses as much as digits as its factorization.

111220122112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19747941 (or 19747909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111220122112000 its reverse (211221022111), we get a palindrome (111431343134111).

The spelling of 111220122112000 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand".