102111220110112 has 12 divisors (see below), whose sum is σ = 201031464591846. Its totient is φ = 51055610055040.

The previous prime is 102111220110077. The next prime is 102111220110131. The reversal of 102111220110112 is 211011022111201.

It can be written as a sum of positive squares in only one way, i.e., 64365384022416 + 37745836087696 = 8022804^2 + 6143764^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595487814189 + ... + 1595487814252.

Almost surely, 2^{102111220110112} is an apocalyptic number.

It is an amenable number.

102111220110112 is a deficient number, since it is larger than the sum of its proper divisors (98920244481734).

102111220110112 is an equidigital number, since it uses as much as digits as its factorization.

102111220110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190975628451 (or 3190975628443 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 102111220110112 its reverse (211011022111201), we get a palindrome (313122242221313).

The spelling of 102111220110112 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty million, one hundred ten thousand, one hundred twelve".