20510211122 has 16 divisors (see below), whose sum is σ = 31597853760. Its totient is φ = 9979366992.

The previous prime is 20510211101. The next prime is 20510211149. The reversal of 20510211122 is 22111201502.

20510211122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 20510211122.

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, 420158 + ... + 466425.

It is an arithmetic number, because the mean of its divisors is an integer number (1974865860).

Almost surely, 2^20510211122 is an apocalyptic number.

20510211122 is a deficient number, since it is larger than the sum of its proper divisors (11087642638).

20510211122 is a wasteful number, since it uses less digits than its factorization.

20510211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886897.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 20510211122 its reverse (22111201502), we get a palindrome (42621412624).

The spelling of 20510211122 in words is "twenty billion, five hundred ten million, two hundred eleven thousand, one hundred twenty-two".