110220111201221 has 32 divisors (see below), whose sum is σ = 134355844253952. Its totient is φ = 88263630950400.

The previous prime is 110220111201143. The next prime is 110220111201257. The reversal of 110220111201221 is 122102111022011.

It is a de Polignac number, because none of the positive numbers 2^k-110220111201221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110220111201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110220111201281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348742550 + ... + 349058456.

It is an arithmetic number, because the mean of its divisors is an integer number (4198620132936).

Almost surely, 2^{110220111201221} is an apocalyptic number.

It is an amenable number.

110220111201221 is a deficient number, since it is larger than the sum of its proper divisors (24135733052731).

110220111201221 is a wasteful number, since it uses less digits than its factorization.

110220111201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337469.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110220111201221 its reverse (122102111022011), we get a palindrome (232322222223232).

The spelling of 110220111201221 in words is "one hundred ten trillion, two hundred twenty billion, one hundred eleven million, two hundred one thousand, two hundred twenty-one".