100012111202001 has 4 divisors (see below), whose sum is σ = 133349481602672. Its totient is φ = 66674740801332.

The previous prime is 100012111201997. The next prime is 100012111202033. The reversal of 100012111202001 is 100202111210001.

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 not a de Polignac number, because 100012111202001 - 2² = 100012111201997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100012111202041) 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, 16668685200331 + ... + 16668685200336.

It is an arithmetic number, because the mean of its divisors is an integer number (33337370400668).

Almost surely, 2^{100012111202001} is an apocalyptic number.

It is an amenable number.

100012111202001 is a deficient number, since it is larger than the sum of its proper divisors (33337370400671).

100012111202001 is an equidigital number, since it uses as much as digits as its factorization.

100012111202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33337370400670.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100012111202001 its reverse (100202111210001), we get a palindrome (200214222412002).

The spelling of 100012111202001 in words is "one hundred trillion, twelve billion, one hundred eleven million, two hundred two thousand, one".