121100102111003 has 4 divisors (see below), whose sum is σ = 121114814803248. Its totient is φ = 121085389418760.

The previous prime is 121100102110969. The next prime is 121100102111011. The reversal of 121100102111003 is 300111201001121.

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 121100102111003 - 2²⁸ = 121099833675547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100102131003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7356333776 + ... + 7356350237.

It is an arithmetic number, because the mean of its divisors is an integer number (30278703700812).

Almost surely, 2^{121100102111003} is an apocalyptic number.

121100102111003 is a deficient number, since it is larger than the sum of its proper divisors (14712692245).

121100102111003 is an equidigital number, since it uses as much as digits as its factorization.

121100102111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14712692244.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121100102111003 its reverse (300111201001121), we get a palindrome (421211303112124).

The spelling of 121100102111003 in words is "one hundred twenty-one trillion, one hundred billion, one hundred two million, one hundred eleven thousand, three".