21301331221022 has 8 divisors (see below), whose sum is σ = 31952224135872. Its totient is φ = 10650589842400.

The previous prime is 21301331221003. The next prime is 21301331221099. The reversal of 21301331221022 is 22012213310312.

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

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, 37531979 + ... + 38095302.

It is an arithmetic number, because the mean of its divisors is an integer number (3994028016984).

Almost surely, 2^{21301331221022} is an apocalyptic number.

21301331221022 is a deficient number, since it is larger than the sum of its proper divisors (10650892914850).

21301331221022 is a wasteful number, since it uses less digits than its factorization.

21301331221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75768114.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21301331221022 its reverse (22012213310312), we get a palindrome (43313544531334).

The spelling of 21301331221022 in words is "twenty-one trillion, three hundred one billion, three hundred thirty-one million, two hundred twenty-one thousand, twenty-two".