220110122121 has 8 divisors (see below), whose sum is σ = 294321081600. Its totient is φ = 146319622032.

The previous prime is 220110122093. The next prime is 220110122137. The reversal of 220110122121 is 121221011022.

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

It is not a de Polignac number, because 220110122121 - 2¹³ = 220110113929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220110122121.

It is not an unprimeable number, because it can be changed into a prime (220110122191) 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, 105113625 + ... + 105115718.

It is an arithmetic number, because the mean of its divisors is an integer number (36790135200).

Almost surely, 2^220110122121 is an apocalyptic number.

It is an amenable number.

220110122121 is a deficient number, since it is larger than the sum of its proper divisors (74210959479).

220110122121 is a wasteful number, since it uses less digits than its factorization.

220110122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210229695.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220110122121 its reverse (121221011022), we get a palindrome (341331133143).

It can be divided in two parts, 2201101 and 22121, that added together give a palindrome (2223222).

The spelling of 220110122121 in words is "two hundred twenty billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty-one".