22211201021122 has 16 divisors (see below), whose sum is σ = 33662607874560. Its totient is φ = 10990347608448.

The previous prime is 22211201021041. The next prime is 22211201021153. The reversal of 22211201021122 is 22112010211222.

It is a self number, because there is not a number n which added to its sum of digits gives 22211201021122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159722 + ... + 6765157.

It is an arithmetic number, because the mean of its divisors is an integer number (2103912992160).

Almost surely, 2^{22211201021122} is an apocalyptic number.

22211201021122 is a deficient number, since it is larger than the sum of its proper divisors (11451406853438).

22211201021122 is a wasteful number, since it uses less digits than its factorization.

22211201021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7939425.

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

Adding to 22211201021122 its reverse (22112010211222), we get a palindrome (44323211232344).

It can be divided in two parts, 2 and 2211201021122, that multiplied together give a palindrome (4422402042244).

The spelling of 22211201021122 in words is "twenty-two trillion, two hundred eleven billion, two hundred one million, twenty-one thousand, one hundred twenty-two".