220101111109 has 32 divisors (see below), whose sum is σ = 246939840000. Its totient is φ = 194477924160.

The previous prime is 220101111101. The next prime is 220101111143. The reversal of 220101111109 is 901111101022.

It is a cyclic number.

It is not a de Polignac number, because 220101111109 - 2³ = 220101111101 is a prime.

It is a super-2 number, since 2×220101111109² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101111101) 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, 40434742 + ... + 40440184.

It is an arithmetic number, because the mean of its divisors is an integer number (7716870000).

Almost surely, 2^220101111109 is an apocalyptic number.

It is an amenable number.

220101111109 is a deficient number, since it is larger than the sum of its proper divisors (26838728891).

220101111109 is a wasteful number, since it uses less digits than its factorization.

220101111109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 220101111109 in words is "two hundred twenty billion, one hundred one million, one hundred eleven thousand, one hundred nine".