21122100112202 has 16 divisors (see below), whose sum is σ = 32357980448640. Its totient is φ = 10336116639168.

The previous prime is 21122100112171. The next prime is 21122100112219. The reversal of 21122100112202 is 20221100122112.

It is a super-2 number, since 2×21122100112202² (a number of 27 digits) contains 22 as substring.

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, 1779074 + ... + 6738642.

It is an arithmetic number, because the mean of its divisors is an integer number (2022373778040).

Almost surely, 2^{21122100112202} is an apocalyptic number.

21122100112202 is a deficient number, since it is larger than the sum of its proper divisors (11235880336438).

21122100112202 is a wasteful number, since it uses less digits than its factorization.

21122100112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004925.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21122100112202 its reverse (20221100122112), we get a palindrome (41343200234314).

The spelling of 21122100112202 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred million, one hundred twelve thousand, two hundred two".