221200110102 has 32 divisors (see below), whose sum is σ = 466681737600. Its totient is φ = 69703072128.

The previous prime is 221200110073. The next prime is 221200110149. The reversal of 221200110102 is 201011002122.

221200110102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2024227 + ... + 2130702.

It is an arithmetic number, because the mean of its divisors is an integer number (14583804300).

Almost surely, 2^221200110102 is an apocalyptic number.

221200110102 is an abundant number, since it is smaller than the sum of its proper divisors (245481627498).

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

221200110102 is a wasteful number, since it uses less digits than its factorization.

221200110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155420.

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

Adding to 221200110102 its reverse (201011002122), we get a palindrome (422211112224).

The spelling of 221200110102 in words is "two hundred twenty-one billion, two hundred million, one hundred ten thousand, one hundred two".