22201020122111 has 16 divisors (see below), whose sum is σ = 23415336576000. Its totient is φ = 20991296642400.

The previous prime is 22201020122081. The next prime is 22201020122131. The reversal of 22201020122111 is 11122102010222.

It is a cyclic number.

It is not a de Polignac number, because 22201020122111 - 2²² = 22201015927807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22201020122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201020122131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94439126 + ... + 94673916.

It is an arithmetic number, because the mean of its divisors is an integer number (1463458536000).

Almost surely, 2^{22201020122111} is an apocalyptic number.

22201020122111 is a deficient number, since it is larger than the sum of its proper divisors (1214316453889).

22201020122111 is a wasteful number, since it uses less digits than its factorization.

22201020122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244550.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22201020122111 its reverse (11122102010222), we get a palindrome (33323122132333).

The spelling of 22201020122111 in words is "twenty-two trillion, two hundred one billion, twenty million, one hundred twenty-two thousand, one hundred eleven".