2110202012021 has 16 divisors (see below), whose sum is σ = 2155236384000. Its totient is φ = 2065613799168.

The previous prime is 2110202011997. The next prime is 2110202012047. The reversal of 2110202012021 is 1202102020112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110202012021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110202011987 and 2110202012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110202012521) 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, 30904100 + ... + 30972306.

It is an arithmetic number, because the mean of its divisors is an integer number (134702274000).

Almost surely, 2^{2110202012021} is an apocalyptic number.

It is an amenable number.

2110202012021 is a deficient number, since it is larger than the sum of its proper divisors (45034371979).

2110202012021 is a wasteful number, since it uses less digits than its factorization.

2110202012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71468.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2110202012021 its reverse (1202102020112), we get a palindrome (3312304032133).

The spelling of 2110202012021 in words is "two trillion, one hundred ten billion, two hundred two million, twelve thousand, twenty-one".