2211202091 has 16 divisors (see below), whose sum is σ = 2596752384. Its totient is φ = 1843565184.

The previous prime is 2211202079. The next prime is 2211202109. The reversal of 2211202091 is 1902021122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211202091 - 2⁶ = 2211202027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33011 + ... + 74243.

It is an arithmetic number, because the mean of its divisors is an integer number (162297024).

Almost surely, 2^2211202091 is an apocalyptic number.

2211202091 is a deficient number, since it is larger than the sum of its proper divisors (385550293).

2211202091 is a wasteful number, since it uses less digits than its factorization.

2211202091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41450.

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

The square root of 2211202091 is about 47023.4206646007. The cubic root of 2211202091 is about 1302.7951870190.

The spelling of 2211202091 in words is "two billion, two hundred eleven million, two hundred two thousand, ninety-one".