3311111100091 has 2 divisors, whose sum is σ = 3311111100092. Its totient is φ = 3311111100090.

The previous prime is 3311111100049. The next prime is 3311111100173. The reversal of 3311111100091 is 1900011111133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3311111100091 - 2²¹ = 3311109002939 is a prime.

It is not a weakly prime, because it can be changed into another prime (3311111170091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655555550045 + 1655555550046.

It is an arithmetic number, because the mean of its divisors is an integer number (1655555550046).

Almost surely, 2^{3311111100091} is an apocalyptic number.

3311111100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3311111100091 is an equidigital number, since it uses as much as digits as its factorization.

3311111100091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 3311111100091 in words is "three trillion, three hundred eleven billion, one hundred eleven million, one hundred thousand, ninety-one".