2110131021 has 16 divisors (see below), whose sum is σ = 2936985984. Its totient is φ = 1345063104.

The previous prime is 2110131019. The next prime is 2110131041. The reversal of 2110131021 is 1201310112.

It is not a de Polignac number, because 2110131021 - 2¹ = 2110131019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110130988 and 2110131006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110131011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249555 + ... + 257871.

It is an arithmetic number, because the mean of its divisors is an integer number (183561624).

Almost surely, 2^2110131021 is an apocalyptic number.

It is an amenable number.

2110131021 is a deficient number, since it is larger than the sum of its proper divisors (826854963).

2110131021 is a wasteful number, since it uses less digits than its factorization.

2110131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020.

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

The square root of 2110131021 is about 45936.1624539970. The cubic root of 2110131021 is about 1282.6351598070.

Adding to 2110131021 its reverse (1201310112), we get a palindrome (3311441133).

The spelling of 2110131021 in words is "two billion, one hundred ten million, one hundred thirty-one thousand, twenty-one".