102124002021 has 8 divisors (see below), whose sum is σ = 136231347840. Its totient is φ = 68049662112.

The previous prime is 102124002007. The next prime is 102124002083. The reversal of 102124002021 is 120200421201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102124002021 - 2¹⁸ = 102123739877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102124002091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8244256 + ... + 8256633.

It is an arithmetic number, because the mean of its divisors is an integer number (17028918480).

Almost surely, 2^102124002021 is an apocalyptic number.

It is an amenable number.

102124002021 is a deficient number, since it is larger than the sum of its proper divisors (34107345819).

102124002021 is a wasteful number, since it uses less digits than its factorization.

102124002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16502955.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102124002021 its reverse (120200421201), we get a palindrome (222324423222).

The spelling of 102124002021 in words is "one hundred two billion, one hundred twenty-four million, two thousand, twenty-one".