210220102111110 has 64 divisors (see below), whose sum is σ = 620957840090112. Its totient is φ = 44354131433856.

The previous prime is 210220102111093. The next prime is 210220102111133. The reversal of 210220102111110 is 11111201022012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 210220102111110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38501847474 + ... + 38501852933.

It is an arithmetic number, because the mean of its divisors is an integer number (9702466251408).

Almost surely, 2^{210220102111110} is an apocalyptic number.

210220102111110 is an abundant number, since it is smaller than the sum of its proper divisors (410737737979002).

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

210220102111110 is a wasteful number, since it uses less digits than its factorization.

210220102111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77003700437.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210220102111110 its reverse (11111201022012), we get a palindrome (221331303133122).

The spelling of 210220102111110 in words is "two hundred ten trillion, two hundred twenty billion, one hundred two million, one hundred eleven thousand, one hundred ten".