2112122997 has 12 divisors (see below), whose sum is σ = 3051703200. Its totient is φ = 1407685608.

The previous prime is 2112122963. The next prime is 2112123001. The reversal of 2112122997 is 7992212112.

It is a happy number.

It is not a de Polignac number, because 2112122997 - 2⁶ = 2112122933 is a prime.

It is a super-3 number, since 3×2112122997³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112122927) 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, 2754 + ... + 65052.

It is an arithmetic number, because the mean of its divisors is an integer number (254308600).

Almost surely, 2^2112122997 is an apocalyptic number.

It is an amenable number.

2112122997 is a deficient number, since it is larger than the sum of its proper divisors (939580203).

2112122997 is a wasteful number, since it uses less digits than its factorization.

2112122997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66072 (or 66069 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 2112122997 is about 45957.8393421623. The cubic root of 2112122997 is about 1283.0386378974.

The spelling of 2112122997 in words is "two billion, one hundred twelve million, one hundred twenty-two thousand, nine hundred ninety-seven".