20212310111122 has 16 divisors (see below), whose sum is σ = 31095494976672. Its totient is φ = 9847741230880.

The previous prime is 20212310111093. The next prime is 20212310111129. The reversal of 20212310111122 is 22111101321202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212310111122.

It is not an unprimeable number, because it can be changed into a prime (20212310111129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148959748 + ... + 149095375.

It is an arithmetic number, because the mean of its divisors is an integer number (1943468436042).

Almost surely, 2^{20212310111122} is an apocalyptic number.

20212310111122 is a deficient number, since it is larger than the sum of its proper divisors (10883184865550).

20212310111122 is a wasteful number, since it uses less digits than its factorization.

20212310111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298055993.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 20212310111122 its reverse (22111101321202), we get a palindrome (42323411432324).

The spelling of 20212310111122 in words is "twenty trillion, two hundred twelve billion, three hundred ten million, one hundred eleven thousand, one hundred twenty-two".