2110020012091 has 2 divisors, whose sum is σ = 2110020012092. Its totient is φ = 2110020012090.

The previous prime is 2110020012031. The next prime is 2110020012103. The reversal of 2110020012091 is 1902100200112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2110020012091 - 2⁷ = 2110020011963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2110020012031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055010006045 + 1055010006046.

It is an arithmetic number, because the mean of its divisors is an integer number (1055010006046).

Almost surely, 2^{2110020012091} is an apocalyptic number.

2110020012091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110020012091 is an equidigital number, since it uses as much as digits as its factorization.

2110020012091 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 19.

The spelling of 2110020012091 in words is "two trillion, one hundred ten billion, twenty million, twelve thousand, ninety-one".