111102001012 has 24 divisors (see below), whose sum is σ = 198259955712. Its totient is φ = 54466980000.

The previous prime is 111102001001. The next prime is 111102001039. The reversal of 111102001012 is 210100201111.

It is a self number, because there is not a number n which added to its sum of digits gives 111102001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293364 + ... + 1376587.

It is an arithmetic number, because the mean of its divisors is an integer number (8260831488).

Almost surely, 2^111102001012 is an apocalyptic number.

It is an amenable number.

111102001012 is a deficient number, since it is larger than the sum of its proper divisors (87157954700).

111102001012 is a wasteful number, since it uses less digits than its factorization.

111102001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670159 (or 2670157 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111102001012 its reverse (210100201111), we get a palindrome (321202202123).

The spelling of 111102001012 in words is "one hundred eleven billion, one hundred two million, one thousand, twelve".