21331210022292 has 24 divisors (see below), whose sum is σ = 49772898302400. Its totient is φ = 7110392638336.

The previous prime is 21331210022273. The next prime is 21331210022293. The reversal of 21331210022292 is 29222001213312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21331210022293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14008684 + ... + 15456572.

It is an arithmetic number, because the mean of its divisors is an integer number (2073870762600).

Almost surely, 2^{21331210022292} is an apocalyptic number.

It is an amenable number.

21331210022292 is an abundant number, since it is smaller than the sum of its proper divisors (28441688280108).

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

21331210022292 is a wasteful number, since it uses less digits than its factorization.

21331210022292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675615 (or 2675613 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 21331210022292 in words is "twenty-one trillion, three hundred thirty-one billion, two hundred ten million, twenty-two thousand, two hundred ninety-two".