210220112102122 has 16 divisors (see below), whose sum is σ = 323326162107432. Its totient is φ = 102469988537280.

The previous prime is 210220112102101. The next prime is 210220112102131. The reversal of 210220112102122 is 221201211022012.

It can be written as a sum of positive squares in 4 ways, for example, as 134416639004761 + 75803473097361 = 11593819^2 + 8706519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210220112102122.

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, 6315934329 + ... + 6315967612.

Almost surely, 2^{210220112102122} is an apocalyptic number.

210220112102122 is a deficient number, since it is larger than the sum of its proper divisors (113106050005310).

210220112102122 is a wasteful number, since it uses less digits than its factorization.

210220112102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631902153.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210220112102122 its reverse (221201211022012), we get a palindrome (431421323124134).

The spelling of 210220112102122 in words is "two hundred ten trillion, two hundred twenty billion, one hundred twelve million, one hundred two thousand, one hundred twenty-two".