221200120211110 has 16 divisors (see below), whose sum is σ = 402102396742032. Its totient is φ = 87604008004000.

The previous prime is 221200120211107. The next prime is 221200120211167. The reversal of 221200120211110 is 11112021002122.

221200120211110 is digitally balanced in base 2, 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 7 ways as a sum of consecutive naturals, for example, 109505008996 + ... + 109505011015.

It is an arithmetic number, because the mean of its divisors is an integer number (25131399796377).

Almost surely, 2^{221200120211110} is an apocalyptic number.

221200120211110 is a deficient number, since it is larger than the sum of its proper divisors (180902276530922).

221200120211110 is a wasteful number, since it uses less digits than its factorization.

221200120211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219010020119.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221200120211110 its reverse (11112021002122), we get a palindrome (232312141213232).

The spelling of 221200120211110 in words is "two hundred twenty-one trillion, two hundred billion, one hundred twenty million, two hundred eleven thousand, one hundred ten".