102112201983 has 16 divisors (see below), whose sum is σ = 148561200000. Its totient is φ = 61871866080.

The previous prime is 102112201981. The next prime is 102112202009. The reversal of 102112201983 is 389102211201.

It is not a de Polignac number, because 102112201983 - 2¹ = 102112201981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102112201983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112201981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212233 + ... + 499266.

It is an arithmetic number, because the mean of its divisors is an integer number (9285075000).

Almost surely, 2^102112201983 is an apocalyptic number.

102112201983 is a deficient number, since it is larger than the sum of its proper divisors (46448998017).

102112201983 is a wasteful number, since it uses less digits than its factorization.

102112201983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715862.

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 102112201983 in words is "one hundred two billion, one hundred twelve million, two hundred one thousand, nine hundred eighty-three".