2111321110 has 32 divisors (see below), whose sum is σ = 3987843840. Its totient is φ = 803281248.

The previous prime is 2111321099. The next prime is 2111321129. The reversal of 2111321110 is 111231112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15529 + ... + 66811.

It is an arithmetic number, because the mean of its divisors is an integer number (124620120).

Almost surely, 2^2111321110 is an apocalyptic number.

2111321110 is a deficient number, since it is larger than the sum of its proper divisors (1876522730).

2111321110 is a wasteful number, since it uses less digits than its factorization.

2111321110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51492.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2111321110 is about 45949.1143549035. The cubic root of 2111321110 is about 1282.8762448554.

Adding to 2111321110 its reverse (111231112), we get a palindrome (2222552222).

The spelling of 2111321110 in words is "two billion, one hundred eleven million, three hundred twenty-one thousand, one hundred ten".