102332021 has 4 divisors (see below), whose sum is σ = 111634944. Its totient is φ = 93029100.

The previous prime is 102331997. The next prime is 102332033. The reversal of 102332021 is 120233201.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102332021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102331987 and 102332005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102332821) 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, 4651445 + ... + 4651466.

It is an arithmetic number, because the mean of its divisors is an integer number (27908736).

Almost surely, 2^102332021 is an apocalyptic number.

102332021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102332021 is a deficient number, since it is larger than the sum of its proper divisors (9302923).

102332021 is an equidigital number, since it uses as much as digits as its factorization.

102332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302922.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102332021 is about 10115.9290725074. The cubic root of 102332021 is about 467.7392882164.

Adding to 102332021 its reverse (120233201), we get a palindrome (222565222).

The spelling of 102332021 in words is "one hundred two million, three hundred thirty-two thousand, twenty-one".