1121200001983 has 2 divisors, whose sum is σ = 1121200001984. Its totient is φ = 1121200001982.

The previous prime is 1121200001963. The next prime is 1121200002161. The reversal of 1121200001983 is 3891000021211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121200001983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121200001963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560600000991 + 560600000992.

It is an arithmetic number, because the mean of its divisors is an integer number (560600000992).

Almost surely, 2^{1121200001983} is an apocalyptic number.

1121200001983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121200001983 is an equidigital number, since it uses as much as digits as its factorization.

1121200001983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 1121200001983 in words is "one trillion, one hundred twenty-one billion, two hundred million, one thousand, nine hundred eighty-three".