221110200102 has 32 divisors (see below), whose sum is σ = 487198727424. Its totient is φ = 66339692000.

The previous prime is 221110200083. The next prime is 221110200109. The reversal of 221110200102 is 201002011122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110200109) 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, 16578258 + ... + 16591589.

It is an arithmetic number, because the mean of its divisors is an integer number (15224960232).

Almost surely, 2^221110200102 is an apocalyptic number.

221110200102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221110200102 is an abundant number, since it is smaller than the sum of its proper divisors (266088527322).

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

221110200102 is a wasteful number, since it uses less digits than its factorization.

221110200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33169964.

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

Adding to 221110200102 its reverse (201002011122), we get a palindrome (422112211224).

It can be divided in two parts, 2211 and 10200102, that multiplied together give a palindrome (22552425522).

The spelling of 221110200102 in words is "two hundred twenty-one billion, one hundred ten million, two hundred thousand, one hundred two".