21302313101202 has 24 divisors (see below), whose sum is σ = 49560483542256. Its totient is φ = 6086375171688.

The previous prime is 21302313101177. The next prime is 21302313101317. The reversal of 21302313101202 is 20210131320312.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36228423348 + ... + 36228423935.

It is an arithmetic number, because the mean of its divisors is an integer number (2065020147594).

Almost surely, 2^{21302313101202} is an apocalyptic number.

21302313101202 is an abundant number, since it is smaller than the sum of its proper divisors (28258170441054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21302313101202 is a wasteful number, since it uses less digits than its factorization.

21302313101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72456847302 (or 72456847295 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21302313101202 its reverse (20210131320312), we get a palindrome (41512444421514).

The spelling of 21302313101202 in words is "twenty-one trillion, three hundred two billion, three hundred thirteen million, one hundred one thousand, two hundred two".