102302310033021 has 16 divisors (see below), whose sum is σ = 156036161075328. Its totient is φ = 58403365348800.

The previous prime is 102302310033017. The next prime is 102302310033073. The reversal of 102302310033021 is 120330013203201.

It is not a de Polignac number, because 102302310033021 - 2² = 102302310033017 is a prime.

It is a super-2 number, since 2×102302310033021² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102302310033821) 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, 2295707490 + ... + 2295752051.

It is an arithmetic number, because the mean of its divisors is an integer number (9752260067208).

Almost surely, 2^{102302310033021} is an apocalyptic number.

It is an amenable number.

102302310033021 is a deficient number, since it is larger than the sum of its proper divisors (53733851042307).

102302310033021 is a wasteful number, since it uses less digits than its factorization.

102302310033021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591460612.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 102302310033021 its reverse (120330013203201), we get a palindrome (222632323236222).

The spelling of 102302310033021 in words is "one hundred two trillion, three hundred two billion, three hundred ten million, thirty-three thousand, twenty-one".