100111240401 has 4 divisors (see below), whose sum is σ = 133481653872. Its totient is φ = 66740826932.

The previous prime is 100111240393. The next prime is 100111240403. The reversal of 100111240401 is 104042111001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100111240401 - 2³ = 100111240393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100111240403) 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, 16685206731 + ... + 16685206736.

It is an arithmetic number, because the mean of its divisors is an integer number (33370413468).

Almost surely, 2^100111240401 is an apocalyptic number.

It is an amenable number.

100111240401 is a deficient number, since it is larger than the sum of its proper divisors (33370413471).

100111240401 is an equidigital number, since it uses as much as digits as its factorization.

100111240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33370413470.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100111240401 its reverse (104042111001), we get a palindrome (204153351402).

The spelling of 100111240401 in words is "one hundred billion, one hundred eleven million, two hundred forty thousand, four hundred one".