22200121222111 has 32 divisors (see below), whose sum is σ = 26056280517120. Its totient is φ = 18517507008000.

The previous prime is 22200121222109. The next prime is 22200121222171. The reversal of 22200121222111 is 11122212100222.

It is not a de Polignac number, because 22200121222111 - 2¹ = 22200121222109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200121222171) 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, 1441465011 + ... + 1441480411.

It is an arithmetic number, because the mean of its divisors is an integer number (814258766160).

Almost surely, 2^{22200121222111} is an apocalyptic number.

22200121222111 is a deficient number, since it is larger than the sum of its proper divisors (3856159295009).

22200121222111 is a wasteful number, since it uses less digits than its factorization.

22200121222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27855.

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

Adding to 22200121222111 its reverse (11122212100222), we get a palindrome (33322333322333).

The spelling of 22200121222111 in words is "twenty-two trillion, two hundred billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred eleven".