2110000002021 has 40 divisors (see below), whose sum is σ = 3158477011800. Its totient is φ = 1403766650880.

The previous prime is 2110000002007. The next prime is 2110000002037. The reversal of 2110000002021 is 1202000000112.

It can be written as a sum of positive squares in 4 ways, for example, as 1364933025 + 2108635068996 = 36945^2 + 1452114^2 .

It is not a de Polignac number, because 2110000002021 - 2³⁰ = 2108926260197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2110000001994 and 2110000002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110000002821) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 243391675 + ... + 243400343.

It is an arithmetic number, because the mean of its divisors is an integer number (78961925295).

Almost surely, 2^{2110000002021} is an apocalyptic number.

It is an amenable number.

2110000002021 is a deficient number, since it is larger than the sum of its proper divisors (1048477009779).

2110000002021 is an equidigital number, since it uses as much as digits as its factorization.

2110000002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14531 (or 14522 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2110000002021 its reverse (1202000000112), we get a palindrome (3312000002133).

The spelling of 2110000002021 in words is "two trillion, one hundred ten billion, two thousand, twenty-one".