120031220011 has 2 divisors, whose sum is σ = 120031220012. Its totient is φ = 120031220010.

The previous prime is 120031219993. The next prime is 120031220063. The reversal of 120031220011 is 110022130021.

It is a weak prime.

It is an emirp because it is prime and its reverse (110022130021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120031220011 - 2⁷ = 120031219883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120031219973 and 120031220000.

It is not a weakly prime, because it can be changed into another prime (120031220311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60015610005 + 60015610006.

It is an arithmetic number, because the mean of its divisors is an integer number (60015610006).

Almost surely, 2^120031220011 is an apocalyptic number.

120031220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120031220011 is an equidigital number, since it uses as much as digits as its factorization.

120031220011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120031220011 its reverse (110022130021), we get a palindrome (230053350032).

The spelling of 120031220011 in words is "one hundred twenty billion, thirty-one million, two hundred twenty thousand, eleven".