102021864001 has 4 divisors (see below), whose sum is σ = 105312891904. Its totient is φ = 98730836100.

The previous prime is 102021863969. The next prime is 102021864017. The reversal of 102021864001 is 100468120201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100468120201 = 223 ⋅450529687.

It is a cyclic number.

It is not a de Polignac number, because 102021864001 - 2⁵ = 102021863969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021864071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645513905 + ... + 1645513966.

It is an arithmetic number, because the mean of its divisors is an integer number (26328222976).

Almost surely, 2^102021864001 is an apocalyptic number.

It is an amenable number.

102021864001 is a deficient number, since it is larger than the sum of its proper divisors (3291027903).

102021864001 is an equidigital number, since it uses as much as digits as its factorization.

102021864001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291027902.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 102021864001 its reverse (100468120201), we get a palindrome (202489984202).

The spelling of 102021864001 in words is "one hundred two billion, twenty-one million, eight hundred sixty-four thousand, one".