120211011983 has 4 divisors (see below), whose sum is σ = 127282248000. Its totient is φ = 113139775968.

The previous prime is 120211011971. The next prime is 120211012021. The reversal of 120211011983 is 389110112021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389110112021 = 107 ⋅3636543103.

It is a cyclic number.

It is not a de Polignac number, because 120211011983 - 2⁶ = 120211011919 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 (120211071983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535617983 + ... + 3535618016.

It is an arithmetic number, because the mean of its divisors is an integer number (31820562000).

Almost surely, 2^120211011983 is an apocalyptic number.

120211011983 is a deficient number, since it is larger than the sum of its proper divisors (7071236017).

120211011983 is an equidigital number, since it uses as much as digits as its factorization.

120211011983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071236016.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 120211011983 in words is "one hundred twenty billion, two hundred eleven million, eleven thousand, nine hundred eighty-three".