2102202130997 has 2 divisors, whose sum is σ = 2102202130998. Its totient is φ = 2102202130996.

The previous prime is 2102202130969. The next prime is 2102202131009. The reversal of 2102202130997 is 7990312022012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2035684047076 + 66518083921 = 1426774^2 + 257911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102202130997 - 2¹² = 2102202126901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102202130997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102202138997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051101065498 + 1051101065499.

It is an arithmetic number, because the mean of its divisors is an integer number (1051101065499).

Almost surely, 2^{2102202130997} is an apocalyptic number.

It is an amenable number.

2102202130997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102202130997 is an equidigital number, since it uses as much as digits as its factorization.

2102202130997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 2102202130997 in words is "two trillion, one hundred two billion, two hundred two million, one hundred thirty thousand, nine hundred ninety-seven".