100221113111 has 12 divisors (see below), whose sum is σ = 116589022992. Its totient is φ = 85899921408.

The previous prime is 100221113107. The next prime is 100221113129. The reversal of 100221113111 is 111311122001.

It is not a de Polignac number, because 100221113111 - 2² = 100221113107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221113141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1753166 + ... + 1809428.

It is an arithmetic number, because the mean of its divisors is an integer number (9715751916).

Almost surely, 2^100221113111 is an apocalyptic number.

100221113111 is a deficient number, since it is larger than the sum of its proper divisors (16367909881).

100221113111 is an equidigital number, since it uses as much as digits as its factorization.

100221113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92630 (or 92623 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 100221113111 its reverse (111311122001), we get a palindrome (211532235112).

The spelling of 100221113111 in words is "one hundred billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred eleven".