2112101197 has 2 divisors, whose sum is σ = 2112101198. Its totient is φ = 2112101196.

The previous prime is 2112101153. The next prime is 2112101203. The reversal of 2112101197 is 7911012112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1803361156 + 308740041 = 42466^2 + 17571^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112101197 - 2¹⁵ = 2112068429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112101107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056050598 + 1056050599.

It is an arithmetic number, because the mean of its divisors is an integer number (1056050599).

Almost surely, 2^2112101197 is an apocalyptic number.

It is an amenable number.

2112101197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112101197 is an equidigital number, since it uses as much as digits as its factorization.

2112101197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 25.

The square root of 2112101197 is about 45957.6021676501. The cubic root of 2112101197 is about 1283.0342236440.

The spelling of 2112101197 in words is "two billion, one hundred twelve million, one hundred one thousand, one hundred ninety-seven".