2110012021 has 16 divisors (see below), whose sum is σ = 2363320960. Its totient is φ = 1871190720.

The previous prime is 2110012013. The next prime is 2110012043. The reversal of 2110012021 is 1202100112.

It is a cyclic number.

It is not a de Polignac number, because 2110012021 - 2³ = 2110012013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110011989 and 2110012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110012621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3160 + ... + 65038.

It is an arithmetic number, because the mean of its divisors is an integer number (147707560).

Almost surely, 2^2110012021 is an apocalyptic number.

It is an amenable number.

2110012021 is a deficient number, since it is larger than the sum of its proper divisors (253308939).

2110012021 is a wasteful number, since it uses less digits than its factorization.

2110012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61996.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2110012021 is about 45934.8671599255. The cubic root of 2110012021 is about 1282.6110481204.

Adding to 2110012021 its reverse (1202100112), we get a palindrome (3312112133).

The spelling of 2110012021 in words is "two billion, one hundred ten million, twelve thousand, twenty-one".