122111310011 has 2 divisors, whose sum is σ = 122111310012. Its totient is φ = 122111310010.

The previous prime is 122111309977. The next prime is 122111310031. The reversal of 122111310011 is 110013111221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122111310011 - 2¹⁰ = 122111308987 is a prime.

It is a super-2 number, since 2×122111310011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122111310031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055655005 + 61055655006.

It is an arithmetic number, because the mean of its divisors is an integer number (61055655006).

Almost surely, 2^122111310011 is an apocalyptic number.

122111310011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111310011 is an equidigital number, since it uses as much as digits as its factorization.

122111310011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 122111310011 its reverse (110013111221), we get a palindrome (232124421232).

The spelling of 122111310011 in words is "one hundred twenty-two billion, one hundred eleven million, three hundred ten thousand, eleven".