2211100202091 has 16 divisors (see below), whose sum is σ = 3216333224448. Its totient is φ = 1339982613600.

The previous prime is 2211100202081. The next prime is 2211100202149. The reversal of 2211100202091 is 1902020011122.

It is not a de Polignac number, because 2211100202091 - 2⁶ = 2211100202027 is a prime.

It is a super-2 number, since 2×2211100202091² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211100202041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375636 + ... + 2512881.

It is an arithmetic number, because the mean of its divisors is an integer number (201020826528).

Almost surely, 2^{2211100202091} is an apocalyptic number.

2211100202091 is a deficient number, since it is larger than the sum of its proper divisors (1005233022357).

2211100202091 is a wasteful number, since it uses less digits than its factorization.

2211100202091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905762.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 2211100202091 in words is "two trillion, two hundred eleven billion, one hundred million, two hundred two thousand, ninety-one".