2210110210021 has 16 divisors (see below), whose sum is σ = 2554402072320. Its totient is φ = 1872961833600.

The previous prime is 2210110209961. The next prime is 2210110210027. The reversal of 2210110210021 is 1200120110122.

It is a cyclic number.

It is not a de Polignac number, because 2210110210021 - 2⁹ = 2210110209509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210110209983 and 2210110210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210110210027) 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, 9195835 + ... + 9433111.

It is an arithmetic number, because the mean of its divisors is an integer number (159650129520).

Almost surely, 2^{2210110210021} is an apocalyptic number.

It is an amenable number.

2210110210021 is a deficient number, since it is larger than the sum of its proper divisors (344291862299).

2210110210021 is a wasteful number, since it uses less digits than its factorization.

2210110210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252324.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2210110210021 its reverse (1200120110122), we get a palindrome (3410230320143).

The spelling of 2210110210021 in words is "two trillion, two hundred ten billion, one hundred ten million, two hundred ten thousand, twenty-one".