2211002200091 has 4 divisors (see below), whose sum is σ = 2211034303800. Its totient is φ = 2210970096384.

The previous prime is 2211002200073. The next prime is 2211002200109. The reversal of 2211002200091 is 1900022001122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2211002200073) and next prime (2211002200109).

It is a cyclic number.

It is not a de Polignac number, because 2211002200091 - 2⁶ = 2211002200027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211002200591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15948326 + ... + 16086363.

It is an arithmetic number, because the mean of its divisors is an integer number (552758575950).

Almost surely, 2^{2211002200091} is an apocalyptic number.

2211002200091 is a deficient number, since it is larger than the sum of its proper divisors (32103709).

2211002200091 is an equidigital number, since it uses as much as digits as its factorization.

2211002200091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32103708.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 2211002200091 in words is "two trillion, two hundred eleven billion, two million, two hundred thousand, ninety-one".