111221112000204 has 96 divisors (see below), whose sum is σ = 300908368320000. Its totient is φ = 35459407101888.

The previous prime is 111221112000151. The next prime is 111221112000221. The reversal of 111221112000204 is 402000211122111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35428947 + ... + 38440245.

It is an arithmetic number, because the mean of its divisors is an integer number (3134462170000).

Almost surely, 2^{111221112000204} is an apocalyptic number.

It is an amenable number.

111221112000204 is an abundant number, since it is smaller than the sum of its proper divisors (189687256319796).

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

111221112000204 is a wasteful number, since it uses less digits than its factorization.

111221112000204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026204 (or 3026196 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111221112000204 its reverse (402000211122111), we get a palindrome (513221323122315).

The spelling of 111221112000204 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred twelve million, two hundred four", and thus it is an aban number.