22013111111 has 2 divisors, whose sum is σ = 22013111112. Its totient is φ = 22013111110.

The previous prime is 22013111093. The next prime is 22013111207. The reversal of 22013111111 is 11111131022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22013111111 - 2⁶ = 22013111047 is a prime.

22013111111 is a modest number, since divided by 111111 gives 22013 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22013111411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006555555 + 11006555556.

It is an arithmetic number, because the mean of its divisors is an integer number (11006555556).

Almost surely, 2^22013111111 is an apocalyptic number.

22013111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013111111 is an equidigital number, since it uses as much as digits as its factorization.

22013111111 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 14.

Adding to 22013111111 its reverse (11111131022), we get a palindrome (33124242133).

The spelling of 22013111111 in words is "twenty-two billion, thirteen million, one hundred eleven thousand, one hundred eleven".