221200120100110 has 16 divisors (see below), whose sum is σ = 398267277343200. Its totient is φ = 88456256670496.

The previous prime is 221200120100107. The next prime is 221200120100119. The reversal of 221200120100110 is 11001021002122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200120100119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2973882145 + ... + 2973956524.

It is an arithmetic number, because the mean of its divisors is an integer number (24891704833950).

Almost surely, 2^{221200120100110} is an apocalyptic number.

221200120100110 is a deficient number, since it is larger than the sum of its proper divisors (177067157243090).

221200120100110 is a wasteful number, since it uses less digits than its factorization.

221200120100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947842395.

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

Adding to 221200120100110 its reverse (11001021002122), we get a palindrome (232201141102232).

The spelling of 221200120100110 in words is "two hundred twenty-one trillion, two hundred billion, one hundred twenty million, one hundred thousand, one hundred ten".