100111000121003 has 4 divisors (see below), whose sum is σ = 105999882481080. Its totient is φ = 94222117760928.

The previous prime is 100111000120961. The next prime is 100111000121017. The reversal of 100111000121003 is 300121000111001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100111000121003 - 2⁶ = 100111000120939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111000121023) 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, 2944441180013 + ... + 2944441180046.

It is an arithmetic number, because the mean of its divisors is an integer number (26499970620270).

Almost surely, 2^{100111000121003} is an apocalyptic number.

100111000121003 is a deficient number, since it is larger than the sum of its proper divisors (5888882360077).

100111000121003 is an equidigital number, since it uses as much as digits as its factorization.

100111000121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888882360076.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 100111000121003 its reverse (300121000111001), we get a palindrome (400232000232004).

The spelling of 100111000121003 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-one thousand, three".