220012111101 has 16 divisors (see below), whose sum is σ = 301309779968. Its totient is φ = 142695432000.

The previous prime is 220012111087. The next prime is 220012111153. The reversal of 220012111101 is 101111210022.

It is not a de Polignac number, because 220012111101 - 2⁵ = 220012111069 is a prime.

It is a super-2 number, since 2×220012111101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012111901) 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, 998916 + ... + 1199106.

It is an arithmetic number, because the mean of its divisors is an integer number (18831861248).

Almost surely, 2^220012111101 is an apocalyptic number.

It is an amenable number.

220012111101 is a deficient number, since it is larger than the sum of its proper divisors (81297668867).

220012111101 is a wasteful number, since it uses less digits than its factorization.

220012111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210132.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 220012111101 its reverse (101111210022), we get a palindrome (321123321123).

The spelling of 220012111101 in words is "two hundred twenty billion, twelve million, one hundred eleven thousand, one hundred one".