112221011011 has 2 divisors, whose sum is σ = 112221011012. Its totient is φ = 112221011010.

The previous prime is 112221010987. The next prime is 112221011029. The reversal of 112221011011 is 110110122211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221011011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112221010982 and 112221011000.

It is not a weakly prime, because it can be changed into another prime (112221011081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110505505 + 56110505506.

It is an arithmetic number, because the mean of its divisors is an integer number (56110505506).

Almost surely, 2^112221011011 is an apocalyptic number.

112221011011 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221011011 is an equidigital number, since it uses as much as digits as its factorization.

112221011011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112221011011 its reverse (110110122211), we get a palindrome (222331133222).

The spelling of 112221011011 in words is "one hundred twelve billion, two hundred twenty-one million, eleven thousand, eleven".