110220110021121 has 16 divisors (see below), whose sum is σ = 146978753872704. Its totient is φ = 73470770328384.

The previous prime is 110220110021117. The next prime is 110220110021137. The reversal of 110220110021121 is 121120011022011.

It is a happy number.

It is not a de Polignac number, because 110220110021121 - 2² = 110220110021117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110220110021121.

It is not an unprimeable number, because it can be changed into a prime (110220110021141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108837995 + ... + 1108937391.

It is an arithmetic number, because the mean of its divisors is an integer number (9186172117044).

Almost surely, 2^{110220110021121} is an apocalyptic number.

It is an amenable number.

110220110021121 is a deficient number, since it is larger than the sum of its proper divisors (36758643851583).

110220110021121 is a wasteful number, since it uses less digits than its factorization.

110220110021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142480.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110220110021121 its reverse (121120011022011), we get a palindrome (231340121043132).

The spelling of 110220110021121 in words is "one hundred ten trillion, two hundred twenty billion, one hundred ten million, twenty-one thousand, one hundred twenty-one".