111011142204 has 18 divisors (see below), whose sum is σ = 280611498440. Its totient is φ = 37003714056.

The previous prime is 111011142199. The next prime is 111011142239. The reversal of 111011142204 is 402241110111.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1541821384 + ... + 1541821455.

Almost surely, 2^111011142204 is an apocalyptic number.

It is an amenable number.

111011142204 is an abundant number, since it is smaller than the sum of its proper divisors (169600356236).

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

111011142204 is a wasteful number, since it uses less digits than its factorization.

111011142204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083642849 (or 3083642844 counting only the distinct ones).

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

Adding to 111011142204 its reverse (402241110111), we get a palindrome (513252252315).

The spelling of 111011142204 in words is "one hundred eleven billion, eleven million, one hundred forty-two thousand, two hundred four".