111220000000002 has 96 divisors (see below), whose sum is σ = 248893875764352. Its totient is φ = 35867098536192.

The previous prime is 111219999999991. The next prime is 111220000000069. The reversal of 111220000000002 is 200000000022111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112321473 + ... + 113307339.

It is an arithmetic number, because the mean of its divisors is an integer number (2592644539212).

Almost surely, 2^{111220000000002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111220000000002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124446937882176).

111220000000002 is an abundant number, since it is smaller than the sum of its proper divisors (137673875764350).

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

111220000000002 is a wasteful number, since it uses less digits than its factorization.

111220000000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986872 (or 986869 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 111220000000002 its reverse (200000000022111), we get a palindrome (311220000022113).

The spelling of 111220000000002 in words is "one hundred eleven trillion, two hundred twenty billion, two", and thus it is an aban number.