10210211101957 has 2 divisors, whose sum is σ = 10210211101958. Its totient is φ = 10210211101956.

The previous prime is 10210211101921. The next prime is 10210211102107. The reversal of 10210211101957 is 75910111201201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7804653529761 + 2405557572196 = 2793681^2 + 1550986^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210211101957 - 2¹⁹ = 10210210577669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10210211101907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105105550978 + 5105105550979.

It is an arithmetic number, because the mean of its divisors is an integer number (5105105550979).

Almost surely, 2^{10210211101957} is an apocalyptic number.

It is an amenable number.

10210211101957 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210211101957 is an equidigital number, since it uses as much as digits as its factorization.

10210211101957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 31.

The spelling of 10210211101957 in words is "ten trillion, two hundred ten billion, two hundred eleven million, one hundred one thousand, nine hundred fifty-seven".