220110111121109 has 16 divisors (see below), whose sum is σ = 240666769728000. Its totient is φ = 199644718086720.

The previous prime is 220110111121057. The next prime is 220110111121129. The reversal of 220110111121109 is 901121111011022.

It is a cyclic number.

It is not a de Polignac number, because 220110111121109 - 2⁸ = 220110111120853 is a prime.

It is a super-2 number, since 2×220110111121109² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110111121129) 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, 24038807 + ... + 31907435.

It is an arithmetic number, because the mean of its divisors is an integer number (15041673108000).

Almost surely, 2^{220110111121109} is an apocalyptic number.

It is an amenable number.

220110111121109 is a deficient number, since it is larger than the sum of its proper divisors (20556658606891).

220110111121109 is a wasteful number, since it uses less digits than its factorization.

220110111121109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7874428.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 220110111121109 in words is "two hundred twenty trillion, one hundred ten billion, one hundred eleven million, one hundred twenty-one thousand, one hundred nine".