2211311043 has 8 divisors (see below), whose sum is σ = 3276016400. Its totient is φ = 1474207344.

The previous prime is 2211311033. The next prime is 2211311087. The reversal of 2211311043 is 3401131122.

It is not a de Polignac number, because 2211311043 - 2¹⁰ = 2211310019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211311033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40950178 + ... + 40950231.

It is an arithmetic number, because the mean of its divisors is an integer number (409502050).

Almost surely, 2^2211311043 is an apocalyptic number.

2211311043 is a deficient number, since it is larger than the sum of its proper divisors (1064705357).

2211311043 is an equidigital number, since it uses as much as digits as its factorization.

2211311043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81900418 (or 81900412 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2211311043 is about 47024.5791368727. The cubic root of 2211311043 is about 1302.8165840999.

Adding to 2211311043 its reverse (3401131122), we get a palindrome (5612442165).

The spelling of 2211311043 in words is "two billion, two hundred eleven million, three hundred eleven thousand, forty-three".