2111331044 has 12 divisors (see below), whose sum is σ = 3707441724. Its totient is φ = 1052061984.

The previous prime is 2111331041. The next prime is 2111331059. The reversal of 2111331044 is 4401331112.

It can be written as a sum of positive squares in 2 ways, for example, as 1057030144 + 1054300900 = 32512^2 + 32470^2 .

It is not an unprimeable number, because it can be changed into a prime (2111331041) 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, 899567 + ... + 901910.

It is an arithmetic number, because the mean of its divisors is an integer number (308953477).

Almost surely, 2^2111331044 is an apocalyptic number.

It is an amenable number.

2111331044 is a deficient number, since it is larger than the sum of its proper divisors (1596110680).

2111331044 is a wasteful number, since it uses less digits than its factorization.

2111331044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801774 (or 1801772 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2111331044 is about 45949.2224526161. Note that the first 3 decimals coincide. The cubic root of 2111331044 is about 1282.8782568772.

Adding to 2111331044 its reverse (4401331112), we get a palindrome (6512662156).

The spelling of 2111331044 in words is "two billion, one hundred eleven million, three hundred thirty-one thousand, forty-four".