121111222103003 has 32 divisors (see below), whose sum is σ = 134438629478400. Its totient is φ = 108172218592800.

The previous prime is 121111222102993. The next prime is 121111222103023. The reversal of 121111222103003 is 300301222111121.

It is a cyclic number.

It is not a de Polignac number, because 121111222103003 - 2³⁴ = 121094042233819 is a prime.

It is a super-3 number, since 3×121111222103003³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121111222103023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10775972858 + ... + 10775984096.

It is an arithmetic number, because the mean of its divisors is an integer number (4201207171200).

Almost surely, 2^{121111222103003} is an apocalyptic number.

121111222103003 is a deficient number, since it is larger than the sum of its proper divisors (13327407375397).

121111222103003 is a wasteful number, since it uses less digits than its factorization.

121111222103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19463.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121111222103003 its reverse (300301222111121), we get a palindrome (421412444214124).

The spelling of 121111222103003 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred three thousand, three".