102111012044 has 12 divisors (see below), whose sum is σ = 178712835168. Its totient is φ = 51050202000.

The previous prime is 102111012043. The next prime is 102111012053. The reversal of 102111012044 is 440210111201.

It is not an unprimeable number, because it can be changed into a prime (102111012043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282532 + ... + 1359819.

It is an arithmetic number, because the mean of its divisors is an integer number (14892736264).

Almost surely, 2^102111012044 is an apocalyptic number.

It is an amenable number.

102111012044 is a deficient number, since it is larger than the sum of its proper divisors (76601823124).

102111012044 is a wasteful number, since it uses less digits than its factorization.

102111012044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652016 (or 2652014 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102111012044 its reverse (440210111201), we get a palindrome (542321123245).

The spelling of 102111012044 in words is "one hundred two billion, one hundred eleven million, twelve thousand, forty-four".