201102211120997 has 2 divisors, whose sum is σ = 201102211120998. Its totient is φ = 201102211120996.

The previous prime is 201102211120939. The next prime is 201102211121011. The reversal of 201102211120997 is 799021112201102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118462457330116 + 82639753790881 = 10884046^2 + 9090641^2 .

It is a cyclic number.

It is not a de Polignac number, because 201102211120997 - 2¹⁶ = 201102211055461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201102211120997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201102211120697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551105560498 + 100551105560499.

It is an arithmetic number, because the mean of its divisors is an integer number (100551105560499).

Almost surely, 2^{201102211120997} is an apocalyptic number.

It is an amenable number.

201102211120997 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102211120997 is an equidigital number, since it uses as much as digits as its factorization.

201102211120997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 201102211120997 in words is "two hundred one trillion, one hundred two billion, two hundred eleven million, one hundred twenty thousand, nine hundred ninety-seven".