21023200331210 has 32 divisors (see below), whose sum is σ = 47179337887872. Its totient is φ = 6552685817280.

The previous prime is 21023200331171. The next prime is 21023200331219. The reversal of 21023200331210 is 1213300232012.

It is not an unprimeable number, because it can be changed into a prime (21023200331219) 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, 13651428017 + ... + 13651429556.

It is an arithmetic number, because the mean of its divisors is an integer number (1474354308996).

Almost surely, 2^{21023200331210} is an apocalyptic number.

21023200331210 is an abundant number, since it is smaller than the sum of its proper divisors (26156137556662).

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

21023200331210 is a wasteful number, since it uses less digits than its factorization.

21023200331210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27302857598.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21023200331210 its reverse (1213300232012), we get a palindrome (22236500563222).

The spelling of 21023200331210 in words is "twenty-one trillion, twenty-three billion, two hundred million, three hundred thirty-one thousand, two hundred ten".