21030012112022 has 32 divisors (see below), whose sum is σ = 33532524979200. Its totient is φ = 9863439925248.

The previous prime is 21030012112019. The next prime is 21030012112093. The reversal of 21030012112022 is 22021121003012.

It is a super-2 number, since 2×21030012112022² (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 15 ways as a sum of consecutive naturals, for example, 26851478 + ... + 27623574.

It is an arithmetic number, because the mean of its divisors is an integer number (1047891405600).

Almost surely, 2^{21030012112022} is an apocalyptic number.

21030012112022 is a deficient number, since it is larger than the sum of its proper divisors (12502512867178).

21030012112022 is a wasteful number, since it uses less digits than its factorization.

21030012112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779180.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21030012112022 its reverse (22021121003012), we get a palindrome (43051133115034).

The spelling of 21030012112022 in words is "twenty-one trillion, thirty billion, twelve million, one hundred twelve thousand, twenty-two".