121000112111003 has 4 divisors (see below), whose sum is σ = 121033381323360. Its totient is φ = 120966842898648.

The previous prime is 121000112110993. The next prime is 121000112111077. The reversal of 121000112111003 is 300111211000121.

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 121000112111003 - 2⁴ = 121000112110987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121000112111093) 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, 16634600723 + ... + 16634607996.

It is an arithmetic number, because the mean of its divisors is an integer number (30258345330840).

Almost surely, 2^{121000112111003} is an apocalyptic number.

121000112111003 is a deficient number, since it is larger than the sum of its proper divisors (33269212357).

121000112111003 is an equidigital number, since it uses as much as digits as its factorization.

121000112111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33269212356.

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

Adding to 121000112111003 its reverse (300111211000121), we get a palindrome (421111323111124).

The spelling of 121000112111003 in words is "one hundred twenty-one trillion, one hundred twelve million, one hundred eleven thousand, three".