21022322013210 has 32 divisors (see below), whose sum is σ = 57661226093952. Its totient is φ = 4805102174400.

The previous prime is 21022322013071. The next prime is 21022322013221. The reversal of 21022322013210 is 1231022322012.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50053147441 + ... + 50053147860.

It is an arithmetic number, because the mean of its divisors is an integer number (1801913315436).

Almost surely, 2^{21022322013210} is an apocalyptic number.

21022322013210 is an abundant number, since it is smaller than the sum of its proper divisors (36638904080742).

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

21022322013210 is a wasteful number, since it uses less digits than its factorization.

21022322013210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100106295318.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21022322013210 its reverse (1231022322012), we get a palindrome (22253344335222).

The spelling of 21022322013210 in words is "twenty-one trillion, twenty-two billion, three hundred twenty-two million, thirteen thousand, two hundred ten".