21010322230302 has 16 divisors (see below), whose sum is σ = 42238368009360. Its totient is φ = 6967153485312.

The previous prime is 21010322230297. The next prime is 21010322230333. The reversal of 21010322230302 is 20303222301012.

It is a happy number.

It is a super-2 number, since 2×21010322230302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9071813277 + ... + 9071815592.

It is an arithmetic number, because the mean of its divisors is an integer number (2639898000585).

Almost surely, 2^{21010322230302} is an apocalyptic number.

21010322230302 is an abundant number, since it is smaller than the sum of its proper divisors (21228045779058).

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

21010322230302 is a wasteful number, since it uses less digits than its factorization.

21010322230302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143629067.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21010322230302 its reverse (20303222301012), we get a palindrome (41313544531314).

It can be divided in two parts, 2101032 and 2230302, that added together give a palindrome (4331334).

The spelling of 21010322230302 in words is "twenty-one trillion, ten billion, three hundred twenty-two million, two hundred thirty thousand, three hundred two".