21122030310022 has 16 divisors (see below), whose sum is σ = 33684353508960. Its totient is φ = 9911239816192.

The previous prime is 21122030310013. The next prime is 21122030310047. The reversal of 21122030310022 is 22001303022112.

It is a super-2 number, since 2×21122030310022² (a number of 27 digits) contains 22 as substring.

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, 4331833147 + ... + 4331838022.

It is an arithmetic number, because the mean of its divisors is an integer number (2105272094310).

Almost surely, 2^{21122030310022} is an apocalyptic number.

21122030310022 is a deficient number, since it is larger than the sum of its proper divisors (12562323198938).

21122030310022 is a wasteful number, since it uses less digits than its factorization.

21122030310022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663671247.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21122030310022 its reverse (22001303022112), we get a palindrome (43123333332134).

The spelling of 21122030310022 in words is "twenty-one trillion, one hundred twenty-two billion, thirty million, three hundred ten thousand, twenty-two".