20122211012210 has 8 divisors (see below), whose sum is σ = 36219979821996. Its totient is φ = 8048884404880.

The previous prime is 20122211012207. The next prime is 20122211012251. The reversal of 20122211012210 is 1221011222102.

It can be written as a sum of positive squares in 2 ways, for example, as 19433611439449 + 688599572761 = 4408357^2 + 829819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006110550601 + ... + 1006110550620.

Almost surely, 2^{20122211012210} is an apocalyptic number.

20122211012210 is a deficient number, since it is larger than the sum of its proper divisors (16097768809786).

20122211012210 is a wasteful number, since it uses less digits than its factorization.

20122211012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012221101228.

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

Adding to 20122211012210 its reverse (1221011222102), we get a palindrome (21343222234312).

The spelling of 20122211012210 in words is "twenty trillion, one hundred twenty-two billion, two hundred eleven million, twelve thousand, two hundred ten".