102021232032321 has 16 divisors (see below), whose sum is σ = 155485691958144. Its totient is φ = 58288559266944.

The previous prime is 102021232032319. The next prime is 102021232032347. The reversal of 102021232032321 is 123230232120201.

It is not a de Polignac number, because 102021232032321 - 2¹ = 102021232032319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102021232032291 and 102021232032300.

It is not an unprimeable number, because it can be changed into a prime (102021232032371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386848740 + ... + 387112373.

It is an arithmetic number, because the mean of its divisors is an integer number (9717855747384).

Almost surely, 2^{102021232032321} is an apocalyptic number.

It is an amenable number.

102021232032321 is a deficient number, since it is larger than the sum of its proper divisors (53464459925823).

102021232032321 is an equidigital number, since it uses as much as digits as its factorization.

102021232032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773967400.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 102021232032321 its reverse (123230232120201), we get a palindrome (225251464152522).

The spelling of 102021232032321 in words is "one hundred two trillion, twenty-one billion, two hundred thirty-two million, thirty-two thousand, three hundred twenty-one".