100221112130 has 16 divisors (see below), whose sum is σ = 180401853240. Its totient is φ = 40087588992.

The previous prime is 100221112109. The next prime is 100221112133. The reversal of 100221112130 is 31211122001.

It can be written as a sum of positive squares in 4 ways, for example, as 71811672529 + 28409439601 = 267977^2 + 168551^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100221112133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620216 + ... + 764924.

Almost surely, 2^100221112130 is an apocalyptic number.

100221112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221112130 is a deficient number, since it is larger than the sum of its proper divisors (80180741110).

100221112130 is a wasteful number, since it uses less digits than its factorization.

100221112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213973.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100221112130 its reverse (31211122001), we get a palindrome (131432234131).

The spelling of 100221112130 in words is "one hundred billion, two hundred twenty-one million, one hundred twelve thousand, one hundred thirty".