100112120112221 has 8 divisors (see below), whose sum is σ = 114826897954560. Its totient is φ = 85500603869328.

The previous prime is 100112120112211. The next prime is 100112120112229. The reversal of 100112120112221 is 122211021211001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100112120112221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100112120112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112120112229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25815397781 + ... + 25815401658.

It is an arithmetic number, because the mean of its divisors is an integer number (14353362244320).

Almost surely, 2^{100112120112221} is an apocalyptic number.

It is an amenable number.

100112120112221 is a deficient number, since it is larger than the sum of its proper divisors (14714777842339).

100112120112221 is an equidigital number, since it uses as much as digits as its factorization.

100112120112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51630799723.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100112120112221 its reverse (122211021211001), we get a palindrome (222323141323222).

The spelling of 100112120112221 in words is "one hundred trillion, one hundred twelve billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty-one".