2112122202201 has 24 divisors (see below), whose sum is σ = 3375068523840. Its totient is φ = 1262044845600.

The previous prime is 2112122202181. The next prime is 2112122202217. The reversal of 2112122202201 is 1022022212112.

It is a happy number.

2112122202201 is a `hidden beast` number, since 2 + 11 + 212 + 220 + 220 + 1 = 666.

It is not a de Polignac number, because 2112122202201 - 2¹⁰ = 2112122201177 is a prime.

It is a super-2 number, since 2×2112122202201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112122202251) 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, 150236406 + ... + 150250463.

It is an arithmetic number, because the mean of its divisors is an integer number (140627855160).

Almost surely, 2^{2112122202201} is an apocalyptic number.

It is an amenable number.

2112122202201 is a deficient number, since it is larger than the sum of its proper divisors (1262946321639).

2112122202201 is a wasteful number, since it uses less digits than its factorization.

2112122202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300486957 (or 300486954 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2112122202201 its reverse (1022022212112), we get a palindrome (3134144414313).

The spelling of 2112122202201 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred two thousand, two hundred one".