100221231104 has 56 divisors (see below), whose sum is σ = 202010515968. Its totient is φ = 49715527680.

The previous prime is 100221231101. The next prime is 100221231107. The reversal of 100221231104 is 401132122001.

It is an interprime number because it is at equal distance from previous prime (100221231101) and next prime (100221231107).

It is not an unprimeable number, because it can be changed into a prime (100221231101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992219 + ... + 1088549.

Almost surely, 2^100221231104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100221231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101005257984).

100221231104 is an abundant number, since it is smaller than the sum of its proper divisors (101789284864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100221231104 is an frugal number, since it uses more digits than its factorization.

100221231104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96484 (or 96460 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 100221231104 its reverse (401132122001), we get a palindrome (501353353105).

The spelling of 100221231104 in words is "one hundred billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred four".