2112122022201 has 40 divisors (see below), whose sum is σ = 3266407816320. Its totient is φ = 1358500302432.

The previous prime is 2112122022191. The next prime is 2112122022281. The reversal of 2112122022201 is 1022202212112.

It is a happy number.

2112122022201 is a `hidden beast` number, since 211 + 212 + 20 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 2112122022201 - 2¹⁴ = 2112122005817 is a prime.

It is a super-2 number, since 2×2112122022201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112122022281) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2778330 + ... + 3455916.

It is an arithmetic number, because the mean of its divisors is an integer number (81660195408).

Almost surely, 2^{2112122022201} is an apocalyptic number.

It is an amenable number.

2112122022201 is a deficient number, since it is larger than the sum of its proper divisors (1154285794119).

2112122022201 is a wasteful number, since it uses less digits than its factorization.

2112122022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678955 (or 678946 counting only the distinct ones).

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

Adding to 2112122022201 its reverse (1022202212112), we get a palindrome (3134324234313).

The spelling of 2112122022201 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, twenty-two thousand, two hundred one".