20212210310122 has 64 divisors (see below), whose sum is σ = 33868560844800. Its totient is φ = 9002202770880.

The previous prime is 20212210310087. The next prime is 20212210310129. The reversal of 20212210310122 is 22101301221202.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20212210310122.

It is not an unprimeable number, because it can be changed into a prime (20212210310129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86198283 + ... + 86432449.

It is an arithmetic number, because the mean of its divisors is an integer number (529196263200).

Almost surely, 2^{20212210310122} is an apocalyptic number.

20212210310122 is a deficient number, since it is larger than the sum of its proper divisors (13656350534678).

20212210310122 is a wasteful number, since it uses less digits than its factorization.

20212210310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235891.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20212210310122 its reverse (22101301221202), we get a palindrome (42313511531324).

The spelling of 20212210310122 in words is "twenty trillion, two hundred twelve billion, two hundred ten million, three hundred ten thousand, one hundred twenty-two".