102020320320112 has 20 divisors (see below), whose sum is σ = 197705559427200. Its totient is φ = 50999530790528.

The previous prime is 102020320320053. The next prime is 102020320320119. The reversal of 102020320320112 is 211023023020201.

It is a self number, because there is not a number n which added to its sum of digits gives 102020320320112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020320320119) 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, 664256413 + ... + 664409980.

It is an arithmetic number, because the mean of its divisors is an integer number (9885277971360).

Almost surely, 2^{102020320320112} is an apocalyptic number.

It is an amenable number.

102020320320112 is a deficient number, since it is larger than the sum of its proper divisors (95685239107088).

102020320320112 is a wasteful number, since it uses less digits than its factorization.

102020320320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328671200 (or 1328671194 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102020320320112 its reverse (211023023020201), we get a palindrome (313043343340313).

The spelling of 102020320320112 in words is "one hundred two trillion, twenty billion, three hundred twenty million, three hundred twenty thousand, one hundred twelve".