110221110121 has 16 divisors (see below), whose sum is σ = 122932244160. Its totient is φ = 98209497600.

The previous prime is 110221110113. The next prime is 110221110149. The reversal of 110221110121 is 121011122011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110221110121 - 2³ = 110221110113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110221110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351085 + ... + 586261.

It is an arithmetic number, because the mean of its divisors is an integer number (7683265260).

Almost surely, 2^110221110121 is an apocalyptic number.

It is an amenable number.

110221110121 is a deficient number, since it is larger than the sum of its proper divisors (12711134039).

110221110121 is a wasteful number, since it uses less digits than its factorization.

110221110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236664.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110221110121 its reverse (121011122011), we get a palindrome (231232232132).

The spelling of 110221110121 in words is "one hundred ten billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty-one".