121111119983 has 8 divisors (see below), whose sum is σ = 138415064352. Its totient is φ = 103807764576.

The previous prime is 121111119979. The next prime is 121111120003. The reversal of 121111119983 is 389911111121.

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 121111119983 - 2² = 121111119979 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 (121111109983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460841 + ... + 674237.

It is an arithmetic number, because the mean of its divisors is an integer number (17301883044).

Almost surely, 2^121111119983 is an apocalyptic number.

121111119983 is a deficient number, since it is larger than the sum of its proper divisors (17303944369).

121111119983 is an equidigital number, since it uses as much as digits as its factorization.

121111119983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294481.

The product of its digits is 3888, while the sum is 38.

The spelling of 121111119983 in words is "one hundred twenty-one billion, one hundred eleven million, one hundred nineteen thousand, nine hundred eighty-three".