22123210220111 has 64 divisors (see below), whose sum is σ = 31474325299200. Its totient is φ = 14975444592000.

The previous prime is 22123210220087. The next prime is 22123210220113. The reversal of 22123210220111 is 11102201232122.

It is a cyclic number.

It is not a de Polignac number, because 22123210220111 - 2²⁶ = 22123143111247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123210220113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 979841 + ... + 6723578.

It is an arithmetic number, because the mean of its divisors is an integer number (491786332800).

Almost surely, 2^{22123210220111} is an apocalyptic number.

22123210220111 is a deficient number, since it is larger than the sum of its proper divisors (9351115079089).

22123210220111 is a wasteful number, since it uses less digits than its factorization.

22123210220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703620.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22123210220111 its reverse (11102201232122), we get a palindrome (33225411452233).

The spelling of 22123210220111 in words is "twenty-two trillion, one hundred twenty-three billion, two hundred ten million, two hundred twenty thousand, one hundred eleven".