2110210221021 has 8 divisors (see below), whose sum is σ = 3215558432064. Its totient is φ = 1205834412000.

The previous prime is 2110210221013. The next prime is 2110210221061. The reversal of 2110210221021 is 1201220120112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2110210221021 - 2³ = 2110210221013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110210221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50243100480 + ... + 50243100521.

It is an arithmetic number, because the mean of its divisors is an integer number (401944804008).

Almost surely, 2^{2110210221021} is an apocalyptic number.

2110210221021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2110210221021 is a deficient number, since it is larger than the sum of its proper divisors (1105348211043).

2110210221021 is a wasteful number, since it uses less digits than its factorization.

2110210221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100486201011.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2110210221021 its reverse (1201220120112), we get a palindrome (3311430341133).

The spelling of 2110210221021 in words is "two trillion, one hundred ten billion, two hundred ten million, two hundred twenty-one thousand, twenty-one".