2110012621 has 2 divisors, whose sum is σ = 2110012622. Its totient is φ = 2110012620.

The previous prime is 2110012607. The next prime is 2110012649. The reversal of 2110012621 is 1262100112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2090775625 + 19236996 = 45725^2 + 4386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110012621 - 2⁵ = 2110012589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110012595 and 2110012604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110012601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055006310 + 1055006311.

It is an arithmetic number, because the mean of its divisors is an integer number (1055006311).

Almost surely, 2^2110012621 is an apocalyptic number.

It is an amenable number.

2110012621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110012621 is an equidigital number, since it uses as much as digits as its factorization.

2110012621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2110012621 is about 45934.8736909116. The cubic root of 2110012621 is about 1282.6111696942.

Adding to 2110012621 its reverse (1262100112), we get a palindrome (3372112733).

The spelling of 2110012621 in words is "two billion, one hundred ten million, twelve thousand, six hundred twenty-one".