202210021210997 has 2 divisors, whose sum is σ = 202210021210998. Its totient is φ = 202210021210996.

The previous prime is 202210021210943. The next prime is 202210021211017. The reversal of 202210021210997 is 799012120012202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194511249799441 + 7698771411556 = 13946729^2 + 2774666^2 .

It is a cyclic number.

It is not a de Polignac number, because 202210021210997 - 2³² = 202205726243701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202210021210997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202210021210297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105010605498 + 101105010605499.

It is an arithmetic number, because the mean of its divisors is an integer number (101105010605499).

Almost surely, 2^{202210021210997} is an apocalyptic number.

It is an amenable number.

202210021210997 is a deficient number, since it is larger than the sum of its proper divisors (1).

202210021210997 is an equidigital number, since it uses as much as digits as its factorization.

202210021210997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 202210021210997 in words is "two hundred two trillion, two hundred ten billion, twenty-one million, two hundred ten thousand, nine hundred ninety-seven".