2211157911 has 32 divisors (see below), whose sum is σ = 3092779008. Its totient is φ = 1403791200.

The previous prime is 2211157903. The next prime is 2211157937. The reversal of 2211157911 is 1197511122.

It is not a de Polignac number, because 2211157911 - 2³ = 2211157903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211157211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2103336 + ... + 2104386.

It is an arithmetic number, because the mean of its divisors is an integer number (96649344).

Almost surely, 2^2211157911 is an apocalyptic number.

2211157911 is a deficient number, since it is larger than the sum of its proper divisors (881621097).

2211157911 is a wasteful number, since it uses less digits than its factorization.

2211157911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its digits is 1260, while the sum is 30.

The square root of 2211157911 is about 47022.9508963442. The cubic root of 2211157911 is about 1302.7865103094.

The spelling of 2211157911 in words is "two billion, two hundred eleven million, one hundred fifty-seven thousand, nine hundred eleven".