21122220010202 has 32 divisors (see below), whose sum is σ = 32235815055360. Its totient is φ = 10378575567360.

The previous prime is 21122220010109. The next prime is 21122220010211. The reversal of 21122220010202 is 20201002222112.

It is a happy number.

It is a super-2 number, since 2×21122220010202² (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 15 ways as a sum of consecutive naturals, for example, 44567999 + ... + 45039437.

It is an arithmetic number, because the mean of its divisors is an integer number (1007369220480).

Almost surely, 2^{21122220010202} is an apocalyptic number.

21122220010202 is a deficient number, since it is larger than the sum of its proper divisors (11113595045158).

21122220010202 is a wasteful number, since it uses less digits than its factorization.

21122220010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473166.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21122220010202 its reverse (20201002222112), we get a palindrome (41323222232314).

The spelling of 21122220010202 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred twenty million, ten thousand, two hundred two".