2110110202157 has 2 divisors, whose sum is σ = 2110110202158. Its totient is φ = 2110110202156.

The previous prime is 2110110202141. The next prime is 2110110202201. The reversal of 2110110202157 is 7512020110112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1844025486601 + 266084715556 = 1357949^2 + 515834^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110110202157 - 2⁴ = 2110110202141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110110205157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055055101078 + 1055055101079.

It is an arithmetic number, because the mean of its divisors is an integer number (1055055101079).

Almost surely, 2^{2110110202157} is an apocalyptic number.

It is an amenable number.

2110110202157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110110202157 is an equidigital number, since it uses as much as digits as its factorization.

2110110202157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 2110110202157 its reverse (7512020110112), we get a palindrome (9622130312269).

The spelling of 2110110202157 in words is "two trillion, one hundred ten billion, one hundred ten million, two hundred two thousand, one hundred fifty-seven".