21142332310022 has 32 divisors (see below), whose sum is σ = 39539366818560. Its totient is φ = 8237176570080.

The previous prime is 21142332309947. The next prime is 21142332310031. The reversal of 21142332310022 is 22001323324112.

It is a junction number, because it is equal to n+sod(n) for n = 21142332309973 and 21142332310000.

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, 13298129 + ... + 14802867.

It is an arithmetic number, because the mean of its divisors is an integer number (1235605213080).

Almost surely, 2^{21142332310022} is an apocalyptic number.

21142332310022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21142332310022 is a deficient number, since it is larger than the sum of its proper divisors (18397034508538).

21142332310022 is a wasteful number, since it uses less digits than its factorization.

21142332310022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595996.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21142332310022 its reverse (22001323324112), we get a palindrome (43143655634134).

The spelling of 21142332310022 in words is "twenty-one trillion, one hundred forty-two billion, three hundred thirty-two million, three hundred ten thousand, twenty-two".