100122112201 has 4 divisors (see below), whose sum is σ = 100122772932. Its totient is φ = 100121451472.

The previous prime is 100122112177. The next prime is 100122112219. The reversal of 100122112201 is 102211221001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 74474410000 + 25647702201 = 272900^2 + 160149^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122112201 - 2⁹ = 100122111689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100122112271) 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, 22731 + ... + 448063.

It is an arithmetic number, because the mean of its divisors is an integer number (25030693233).

Almost surely, 2^100122112201 is an apocalyptic number.

It is an amenable number.

100122112201 is a deficient number, since it is larger than the sum of its proper divisors (660731).

100122112201 is an equidigital number, since it uses as much as digits as its factorization.

100122112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660730.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100122112201 its reverse (102211221001), we get a palindrome (202333333202).

The spelling of 100122112201 in words is "one hundred billion, one hundred twenty-two million, one hundred twelve thousand, two hundred one".