11122020311 has 2 divisors, whose sum is σ = 11122020312. Its totient is φ = 11122020310.

The previous prime is 11122020281. The next prime is 11122020317. The reversal of 11122020311 is 11302022111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122020311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122020317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561010155 + 5561010156.

It is an arithmetic number, because the mean of its divisors is an integer number (5561010156).

Almost surely, 2^11122020311 is an apocalyptic number.

11122020311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122020311 is an equidigital number, since it uses as much as digits as its factorization.

11122020311 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 14.

Adding to 11122020311 its reverse (11302022111), we get a palindrome (22424042422).

The spelling of 11122020311 in words is "eleven billion, one hundred twenty-two million, twenty thousand, three hundred eleven".