22222101111201 has 12 divisors (see below), whose sum is σ = 32098681351828. Its totient is φ = 14814692139744.

The previous prime is 22222101111193. The next prime is 22222101111211. The reversal of 22222101111201 is 10211110122222.

22222101111201 is a `hidden beast` number, since 2 + 222 + 210 + 111 + 120 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16944123272976 + 5277977838225 = 4116324^2 + 2297385^2 .

It is not a de Polignac number, because 22222101111201 - 2³ = 22222101111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222101111211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50991 + ... + 6666843.

Almost surely, 2^{22222101111201} is an apocalyptic number.

It is an amenable number.

22222101111201 is a deficient number, since it is larger than the sum of its proper divisors (9876580240627).

22222101111201 is a wasteful number, since it uses less digits than its factorization.

22222101111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989072 (or 6989069 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22222101111201 its reverse (10211110122222), we get a palindrome (32433211233423).

The spelling of 22222101111201 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, one hundred eleven thousand, two hundred one".