100122100122001 has 4 divisors (see below), whose sum is σ = 102011196350772. Its totient is φ = 98233003893232.

The previous prime is 100122100121969. The next prime is 100122100122007. The reversal of 100122100122001 is 100221001221001.

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 47017009041025 + 53105091080976 = 6856895^2 + 7287324^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122100122001 - 2⁵ = 100122100121969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100122100122007) 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, 944548114306 + ... + 944548114411.

It is an arithmetic number, because the mean of its divisors is an integer number (25502799087693).

Almost surely, 2^{100122100122001} is an apocalyptic number.

It is an amenable number.

100122100122001 is a deficient number, since it is larger than the sum of its proper divisors (1889096228771).

100122100122001 is an equidigital number, since it uses as much as digits as its factorization.

100122100122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889096228770.

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

Adding to 100122100122001 its reverse (100221001221001), we get a palindrome (200343101343002).

The spelling of 100122100122001 in words is "one hundred trillion, one hundred twenty-two billion, one hundred million, one hundred twenty-two thousand, one".