21022320012022 has 16 divisors (see below), whose sum is σ = 36049809976992. Its totient is φ = 9006678944640.

The previous prime is 21022320011977. The next prime is 21022320012103. The reversal of 21022320012022 is 22021002322012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240519313 + ... + 240606700.

It is an arithmetic number, because the mean of its divisors is an integer number (2253113123562).

Almost surely, 2^{21022320012022} is an apocalyptic number.

21022320012022 is a deficient number, since it is larger than the sum of its proper divisors (15027489964970).

21022320012022 is a wasteful number, since it uses less digits than its factorization.

21022320012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481129143.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21022320012022 its reverse (22021002322012), we get a palindrome (43043322334034).

The spelling of 21022320012022 in words is "twenty-one trillion, twenty-two billion, three hundred twenty million, twelve thousand, twenty-two".