2211012010091 has 2 divisors, whose sum is σ = 2211012010092. Its totient is φ = 2211012010090.

The previous prime is 2211012010073. The next prime is 2211012010157. The reversal of 2211012010091 is 1900102101122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211012010091 - 2¹⁰ = 2211012009067 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211012018091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105506005045 + 1105506005046.

It is an arithmetic number, because the mean of its divisors is an integer number (1105506005046).

Almost surely, 2^{2211012010091} is an apocalyptic number.

2211012010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211012010091 is an equidigital number, since it uses as much as digits as its factorization.

2211012010091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2211012010091 in words is "two trillion, two hundred eleven billion, twelve million, ten thousand, ninety-one".