21232131200022 has 8 divisors (see below), whose sum is σ = 42464262400056. Its totient is φ = 7077377066672.

The previous prime is 21232131200011. The next prime is 21232131200041. The reversal of 21232131200022 is 22000213123212.

It is a sphenic number, since it is the product of 3 distinct primes.

21232131200022 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769344266663 + ... + 1769344266674.

It is an arithmetic number, because the mean of its divisors is an integer number (5308032800007).

Almost surely, 2^{21232131200022} is an apocalyptic number.

21232131200022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21232131200022 is a wasteful number, since it uses less digits than its factorization.

21232131200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538688533342.

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

Adding to 21232131200022 its reverse (22000213123212), we get a palindrome (43232344323234).

The spelling of 21232131200022 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred thirty-one million, two hundred thousand, twenty-two".