213112102297 has 2 divisors, whose sum is σ = 213112102298. Its totient is φ = 213112102296.

The previous prime is 213112102283. The next prime is 213112102309. The reversal of 213112102297 is 792201211312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177400173721 + 35711928576 = 421189^2 + 188976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213112102297 is a prime.

It is not a weakly prime, because it can be changed into another prime (213112102897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556051148 + 106556051149.

It is an arithmetic number, because the mean of its divisors is an integer number (106556051149).

Almost surely, 2^213112102297 is an apocalyptic number.

It is an amenable number.

213112102297 is a deficient number, since it is larger than the sum of its proper divisors (1).

213112102297 is an equidigital number, since it uses as much as digits as its factorization.

213112102297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 213112102297 in words is "two hundred thirteen billion, one hundred twelve million, one hundred two thousand, two hundred ninety-seven".