100112220212101 has 4 divisors (see below), whose sum is σ = 100112355585900. Its totient is φ = 100112084838304.

The previous prime is 100112220212047. The next prime is 100112220212117. The reversal of 100112220212101 is 101212022211001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79054308780001 + 21057911432100 = 8891249^2 + 4588890^2 .

It is a cyclic number.

It is not a de Polignac number, because 100112220212101 - 2¹¹ = 100112220210053 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 (100112229212101) 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, 66571486 + ... + 68058703.

It is an arithmetic number, because the mean of its divisors is an integer number (25028088896475).

Almost surely, 2^{100112220212101} is an apocalyptic number.

It is an amenable number.

100112220212101 is a deficient number, since it is larger than the sum of its proper divisors (135373799).

100112220212101 is an equidigital number, since it uses as much as digits as its factorization.

100112220212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135373798.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100112220212101 its reverse (101212022211001), we get a palindrome (201324242423102).

The spelling of 100112220212101 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred one".