100121313001 has 4 divisors (see below), whose sum is σ = 103573772100. Its totient is φ = 96668853904.

The previous prime is 100121312999. The next prime is 100121313007. The reversal of 100121313001 is 100313121001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100313121001 = 4987 ⋅20114923.

It can be written as a sum of positive squares in 2 ways, for example, as 36979674601 + 63141638400 = 192301^2 + 251280^2 .

It is a cyclic number.

It is not a de Polignac number, because 100121313001 - 2¹ = 100121312999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121313007) 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, 1726229506 + ... + 1726229563.

It is an arithmetic number, because the mean of its divisors is an integer number (25893443025).

Almost surely, 2^100121313001 is an apocalyptic number.

It is an amenable number.

100121313001 is a deficient number, since it is larger than the sum of its proper divisors (3452459099).

100121313001 is an equidigital number, since it uses as much as digits as its factorization.

100121313001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452459098.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 100121313001 its reverse (100313121001), we get a palindrome (200434434002).

The spelling of 100121313001 in words is "one hundred billion, one hundred twenty-one million, three hundred thirteen thousand, one".