120111010213 has 2 divisors, whose sum is σ = 120111010214. Its totient is φ = 120111010212.

The previous prime is 120111010139. The next prime is 120111010267. The reversal of 120111010213 is 312010111021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115560563364 + 4550446849 = 339942^2 + 67457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120111010213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120111010193 and 120111010202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120111040213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055505106 + 60055505107.

It is an arithmetic number, because the mean of its divisors is an integer number (60055505107).

Almost surely, 2^120111010213 is an apocalyptic number.

It is an amenable number.

120111010213 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111010213 is an equidigital number, since it uses as much as digits as its factorization.

120111010213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 120111010213 its reverse (312010111021), we get a palindrome (432121121234).

The spelling of 120111010213 in words is "one hundred twenty billion, one hundred eleven million, ten thousand, two hundred thirteen".