2112030997 has 2 divisors, whose sum is σ = 2112030998. Its totient is φ = 2112030996.

The previous prime is 2112030967. The next prime is 2112031007. The reversal of 2112030997 is 7990302112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1215986641 + 896044356 = 34871^2 + 29934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112030997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112030917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056015498 + 1056015499.

It is an arithmetic number, because the mean of its divisors is an integer number (1056015499).

Almost surely, 2^2112030997 is an apocalyptic number.

It is an amenable number.

2112030997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112030997 is an equidigital number, since it uses as much as digits as its factorization.

2112030997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2112030997 is about 45956.8384138857. The cubic root of 2112030997 is about 1283.0200087316.

The spelling of 2112030997 in words is "two billion, one hundred twelve million, thirty thousand, nine hundred ninety-seven".