2110999912949 has 2 divisors, whose sum is σ = 2110999912950. Its totient is φ = 2110999912948.

The previous prime is 2110999912927. The next prime is 2110999912979. The reversal of 2110999912949 is 9492199990112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1116811444849 + 994188468100 = 1056793^2 + 997090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110999912949 - 2²⁴ = 2110983135733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110999912979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055499956474 + 1055499956475.

It is an arithmetic number, because the mean of its divisors is an integer number (1055499956475).

Almost surely, 2^{2110999912949} is an apocalyptic number.

It is an amenable number.

2110999912949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110999912949 is an equidigital number, since it uses as much as digits as its factorization.

2110999912949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8503056, while the sum is 65.

The spelling of 2110999912949 in words is "two trillion, one hundred ten billion, nine hundred ninety-nine million, nine hundred twelve thousand, nine hundred forty-nine".