2210202091 has 2 divisors, whose sum is σ = 2210202092. Its totient is φ = 2210202090.

The previous prime is 2210202077. The next prime is 2210202139. The reversal of 2210202091 is 1902020122.

2210202091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2210202091 - 2¹⁹ = 2209677803 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210202061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105101045 + 1105101046.

It is an arithmetic number, because the mean of its divisors is an integer number (1105101046).

Almost surely, 2^2210202091 is an apocalyptic number.

2210202091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210202091 is an equidigital number, since it uses as much as digits as its factorization.

2210202091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2210202091 is about 47012.7864628337. The cubic root of 2210202091 is about 1302.5987642022.

The spelling of 2210202091 in words is "two billion, two hundred ten million, two hundred two thousand, ninety-one".