2100101211157 has 2 divisors, whose sum is σ = 2100101211158. Its totient is φ = 2100101211156.

The previous prime is 2100101211151. The next prime is 2100101211227. The reversal of 2100101211157 is 7511121010012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1534343006596 + 565758204561 = 1238686^2 + 752169^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100101211157 - 2⁷ = 2100101211029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100101211151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050050605578 + 1050050605579.

It is an arithmetic number, because the mean of its divisors is an integer number (1050050605579).

Almost surely, 2^{2100101211157} is an apocalyptic number.

It is an amenable number.

2100101211157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100101211157 is an equidigital number, since it uses as much as digits as its factorization.

2100101211157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 22.

Adding to 2100101211157 its reverse (7511121010012), we get a palindrome (9611222221169).

The spelling of 2100101211157 in words is "two trillion, one hundred billion, one hundred one million, two hundred eleven thousand, one hundred fifty-seven".