22212011112201 has 24 divisors (see below), whose sum is σ = 34307660751624. Its totient is φ = 13798958553600.

The previous prime is 22212011112199. The next prime is 22212011112223. The reversal of 22212011112201 is 10221111021222.

22212011112201 is a `hidden beast` number, since 222 + 120 + 11 + 112 + 201 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14824617575625 + 7387393536576 = 3850275^2 + 2717976^2 .

It is not a de Polignac number, because 22212011112201 - 2¹ = 22212011112199 is a prime.

It is a super-2 number, since 2×22212011112201² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22212011112281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 718680306 + ... + 718711211.

It is an arithmetic number, because the mean of its divisors is an integer number (1429485864651).

Almost surely, 2^{22212011112201} is an apocalyptic number.

It is an amenable number.

22212011112201 is a deficient number, since it is larger than the sum of its proper divisors (12095649639423).

22212011112201 is a wasteful number, since it uses less digits than its factorization.

22212011112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437391641 (or 1437391638 counting only the distinct ones).

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

Adding to 22212011112201 its reverse (10221111021222), we get a palindrome (32433122133423).

The spelling of 22212011112201 in words is "twenty-two trillion, two hundred twelve billion, eleven million, one hundred twelve thousand, two hundred one".