112021210111 has 2 divisors, whose sum is σ = 112021210112. Its totient is φ = 112021210110.

The previous prime is 112021210069. The next prime is 112021210139. The reversal of 112021210111 is 111012120211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112021210111 - 2¹¹ = 112021208063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112021210091 and 112021210100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112021210811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010605055 + 56010605056.

It is an arithmetic number, because the mean of its divisors is an integer number (56010605056).

Almost surely, 2^112021210111 is an apocalyptic number.

112021210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021210111 is an equidigital number, since it uses as much as digits as its factorization.

112021210111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 112021210111 its reverse (111012120211), we get a palindrome (223033330322).

The spelling of 112021210111 in words is "one hundred twelve billion, twenty-one million, two hundred ten thousand, one hundred eleven".