121113201983 has 4 divisors (see below), whose sum is σ = 128237508000. Its totient is φ = 113988895968.

The previous prime is 121113201959. The next prime is 121113202009. The reversal of 121113201983 is 389102311121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121113201983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113201883) 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, 3562152983 + ... + 3562153016.

It is an arithmetic number, because the mean of its divisors is an integer number (32059377000).

Almost surely, 2^121113201983 is an apocalyptic number.

121113201983 is a deficient number, since it is larger than the sum of its proper divisors (7124306017).

121113201983 is an equidigital number, since it uses as much as digits as its factorization.

121113201983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7124306016.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 121113201983 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred one thousand, nine hundred eighty-three".