211111110022049 has 2 divisors, whose sum is σ = 211111110022050. Its totient is φ = 211111110022048.

The previous prime is 211111110021961. The next prime is 211111110022103. The reversal of 211111110022049 is 940220011111112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135387350258449 + 75723759763600 = 11635607^2 + 8701940^2 .

It is a cyclic number.

It is not a de Polignac number, because 211111110022049 - 2²⁴ = 211111093244833 is a prime.

It is not a weakly prime, because it can be changed into another prime (211111110022649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555555011024 + 105555555011025.

It is an arithmetic number, because the mean of its divisors is an integer number (105555555011025).

Almost surely, 2^{211111110022049} is an apocalyptic number.

It is an amenable number.

211111110022049 is a deficient number, since it is larger than the sum of its proper divisors (1).

211111110022049 is an equidigital number, since it uses as much as digits as its factorization.

211111110022049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 211111110022049 in words is "two hundred eleven trillion, one hundred eleven billion, one hundred ten million, twenty-two thousand, forty-nine".