111121101221003 has 8 divisors (see below), whose sum is σ = 111173904312720. Its totient is φ = 111068303139360.

The previous prime is 111121101220999. The next prime is 111121101221041. The reversal of 111121101221003 is 300122101121111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111121101221003 - 2² = 111121101220999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111121101221063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43496501 + ... + 45980297.

It is an arithmetic number, because the mean of its divisors is an integer number (13896738039090).

Almost surely, 2^{111121101221003} is an apocalyptic number.

111121101221003 is a deficient number, since it is larger than the sum of its proper divisors (52803091717).

111121101221003 is a wasteful number, since it uses less digits than its factorization.

111121101221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505037.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 111121101221003 its reverse (300122101121111), we get a palindrome (411243202342114).

The spelling of 111121101221003 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty-one thousand, three".