201221222100110 has 8 divisors (see below), whose sum is σ = 362198199780216. Its totient is φ = 80488488840040.

The previous prime is 201221222100001. The next prime is 201221222100139. The reversal of 201221222100110 is 11001222122102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10061061104996 + ... + 10061061105015.

It is an arithmetic number, because the mean of its divisors is an integer number (45274774972527).

Almost surely, 2^{201221222100110} is an apocalyptic number.

201221222100110 is a deficient number, since it is larger than the sum of its proper divisors (160976977680106).

201221222100110 is a wasteful number, since it uses less digits than its factorization.

201221222100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20122122210018.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201221222100110 its reverse (11001222122102), we get a palindrome (212222444222212).

The spelling of 201221222100110 in words is "two hundred one trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, one hundred ten".