2111202101149 has 2 divisors, whose sum is σ = 2111202101150. Its totient is φ = 2111202101148.

The previous prime is 2111202101053. The next prime is 2111202101153. The reversal of 2111202101149 is 9411012021112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1874933195524 + 236268905625 = 1369282^2 + 486075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111202101149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111202101179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055601050574 + 1055601050575.

It is an arithmetic number, because the mean of its divisors is an integer number (1055601050575).

Almost surely, 2^{2111202101149} is an apocalyptic number.

It is an amenable number.

2111202101149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111202101149 is an equidigital number, since it uses as much as digits as its factorization.

2111202101149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 2111202101149 in words is "two trillion, one hundred eleven billion, two hundred two million, one hundred one thousand, one hundred forty-nine".