120211121113 has 2 divisors, whose sum is σ = 120211121114. Its totient is φ = 120211121112.

The previous prime is 120211121099. The next prime is 120211121179. The reversal of 120211121113 is 311121112021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110628081664 + 9583039449 = 332608^2 + 97893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120211121113 is a prime.

It is not a weakly prime, because it can be changed into another prime (120211151113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105560556 + 60105560557.

It is an arithmetic number, because the mean of its divisors is an integer number (60105560557).

Almost surely, 2^120211121113 is an apocalyptic number.

It is an amenable number.

120211121113 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211121113 is an equidigital number, since it uses as much as digits as its factorization.

120211121113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 120211121113 its reverse (311121112021), we get a palindrome (431332233134).

The spelling of 120211121113 in words is "one hundred twenty billion, two hundred eleven million, one hundred twenty-one thousand, one hundred thirteen".