121112111222003 has 8 divisors (see below), whose sum is σ = 132356978652096. Its totient is φ = 109906356375400.

The previous prime is 121112111221993. The next prime is 121112111222009. The reversal of 121112111222003 is 300222111211121.

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 121112111222003 - 2⁴ = 121112111221987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121112111222009) 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, 9778139393 + ... + 9778151778.

It is an arithmetic number, because the mean of its divisors is an integer number (16544622331512).

Almost surely, 2^{121112111222003} is an apocalyptic number.

121112111222003 is a deficient number, since it is larger than the sum of its proper divisors (11244867430093).

121112111222003 is a wasteful number, since it uses less digits than its factorization.

121112111222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19556291745.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 121112111222003 its reverse (300222111211121), we get a palindrome (421334222433124).

The spelling of 121112111222003 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-two thousand, three".