102002100112020 has 24 divisors (see below), whose sum is σ = 285605880313824. Its totient is φ = 27200560029856.

The previous prime is 102002100111911. The next prime is 102002100112021. The reversal of 102002100112020 is 20211001200201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102002100111987 and 102002100112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002100112021) 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 7 ways as a sum of consecutive naturals, for example, 850017500874 + ... + 850017500993.

It is an arithmetic number, because the mean of its divisors is an integer number (11900245013076).

Almost surely, 2^{102002100112020} is an apocalyptic number.

102002100112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102002100112020 is an abundant number, since it is smaller than the sum of its proper divisors (183603780201804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102002100112020 is a wasteful number, since it uses less digits than its factorization.

102002100112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700035001879 (or 1700035001877 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102002100112020 its reverse (20211001200201), we get a palindrome (122213101312221).

The spelling of 102002100112020 in words is "one hundred two trillion, two billion, one hundred million, one hundred twelve thousand, twenty".