2111102115929 has 2 divisors, whose sum is σ = 2111102115930. Its totient is φ = 2111102115928.

The previous prime is 2111102115907. The next prime is 2111102115931. The reversal of 2111102115929 is 9295112011112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2108594410000 + 2507705929 = 1452100^2 + 50077^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111102115929 - 2²⁰ = 2111101067353 is a prime.

Together with 2111102115931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2111102115979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055551057964 + 1055551057965.

It is an arithmetic number, because the mean of its divisors is an integer number (1055551057965).

Almost surely, 2^{2111102115929} is an apocalyptic number.

It is an amenable number.

2111102115929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111102115929 is an equidigital number, since it uses as much as digits as its factorization.

2111102115929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 35.

The spelling of 2111102115929 in words is "two trillion, one hundred eleven billion, one hundred two million, one hundred fifteen thousand, nine hundred twenty-nine".