111122100212004 has 36 divisors (see below), whose sum is σ = 321019400613184. Its totient is φ = 31749171489072.

The previous prime is 111122100212003. The next prime is 111122100212063. The reversal of 111122100212004 is 400212001221111.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (111122100212003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220480357312 + ... + 220480357815.

Almost surely, 2^{111122100212004} is an apocalyptic number.

111122100212004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111122100212004 is an abundant number, since it is smaller than the sum of its proper divisors (209897300401180).

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

111122100212004 is a wasteful number, since it uses less digits than its factorization.

111122100212004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440960715144 (or 440960715139 counting only the distinct ones).

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

Adding to 111122100212004 its reverse (400212001221111), we get a palindrome (511334101433115).

The spelling of 111122100212004 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred million, two hundred twelve thousand, four".