210002221110 has 128 divisors (see below), whose sum is σ = 585655225344. Its totient is φ = 47627816960.

The previous prime is 210002221109. The next prime is 210002221147. The reversal of 210002221110 is 11122200012.

It is a super-2 number, since 2×210002221110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 824794 + ... + 1048946.

It is an arithmetic number, because the mean of its divisors is an integer number (4575431448).

Almost surely, 2^210002221110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210002221110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292827612672).

210002221110 is an abundant number, since it is smaller than the sum of its proper divisors (375653004234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210002221110 is a wasteful number, since it uses less digits than its factorization.

210002221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224358.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210002221110 its reverse (11122200012), we get a palindrome (221124421122).

The spelling of 210002221110 in words is "two hundred ten billion, two million, two hundred twenty-one thousand, one hundred ten".