120000123011 has 2 divisors, whose sum is σ = 120000123012. Its totient is φ = 120000123010.

The previous prime is 120000123007. The next prime is 120000123013. The reversal of 120000123011 is 110321000021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120000123011 - 2² = 120000123007 is a prime.

It is a super-2 number, since 2×120000123011² (a number of 23 digits) contains 22 as substring.

Together with 120000123013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120000122983 and 120000123001.

It is not a weakly prime, because it can be changed into another prime (120000123013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000061505 + 60000061506.

It is an arithmetic number, because the mean of its divisors is an integer number (60000061506).

Almost surely, 2^120000123011 is an apocalyptic number.

120000123011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000123011 is an equidigital number, since it uses as much as digits as its factorization.

120000123011 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 11.

Adding to 120000123011 its reverse (110321000021), we get a palindrome (230321123032).

The spelling of 120000123011 in words is "one hundred twenty billion, one hundred twenty-three thousand, eleven".