2110232021 has 2 divisors, whose sum is σ = 2110232022. Its totient is φ = 2110232020.

The previous prime is 2110232011. The next prime is 2110232039. The reversal of 2110232021 is 1202320112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1429596100 + 680635921 = 37810^2 + 26089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110232021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110231987 and 2110232005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110232011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055116010 + 1055116011.

It is an arithmetic number, because the mean of its divisors is an integer number (1055116011).

Almost surely, 2^2110232021 is an apocalyptic number.

It is an amenable number.

2110232021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110232021 is an equidigital number, since it uses as much as digits as its factorization.

2110232021 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 14.

The square root of 2110232021 is about 45937.2617925797. The cubic root of 2110232021 is about 1282.6556236365.

Adding to 2110232021 its reverse (1202320112), we get a palindrome (3312552133).

The spelling of 2110232021 in words is "two billion, one hundred ten million, two hundred thirty-two thousand, twenty-one".