102100111209983 has 4 divisors (see below), whose sum is σ = 102130985150760. Its totient is φ = 102069237269208.

The previous prime is 102100111209953. The next prime is 102100111210049. The reversal of 102100111209983 is 389902111001201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102100111209983 - 2⁸ = 102100111209727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100111209953) 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, 15436965428 + ... + 15436972041.

It is an arithmetic number, because the mean of its divisors is an integer number (25532746287690).

Almost surely, 2^{102100111209983} is an apocalyptic number.

102100111209983 is a deficient number, since it is larger than the sum of its proper divisors (30873940777).

102100111209983 is an equidigital number, since it uses as much as digits as its factorization.

102100111209983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30873940776.

The product of its (nonzero) digits is 7776, while the sum is 38.

The spelling of 102100111209983 in words is "one hundred two trillion, one hundred billion, one hundred eleven million, two hundred nine thousand, nine hundred eighty-three".