22111220101201 has 32 divisors (see below), whose sum is σ = 30725092177920. Its totient is φ = 15362546054400.

The previous prime is 22111220101193. The next prime is 22111220101213. The reversal of 22111220101201 is 10210102211122.

It is a cyclic number.

It is not a de Polignac number, because 22111220101201 - 2³ = 22111220101193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22111220101231) 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, 444493245 + ... + 444542986.

It is an arithmetic number, because the mean of its divisors is an integer number (960159130560).

Almost surely, 2^{22111220101201} is an apocalyptic number.

It is an amenable number.

22111220101201 is a deficient number, since it is larger than the sum of its proper divisors (8613872076719).

22111220101201 is a wasteful number, since it uses less digits than its factorization.

22111220101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889036285.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111220101201 its reverse (10210102211122), we get a palindrome (32321322312323).

The spelling of 22111220101201 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, one hundred one thousand, two hundred one".