112121012011 has 2 divisors, whose sum is σ = 112121012012. Its totient is φ = 112121012010.

The previous prime is 112121011987. The next prime is 112121012057. The reversal of 112121012011 is 110210121211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112121012011 - 2⁵ = 112121011979 is a prime.

It is a super-2 number, since 2×112121012011² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112121011982 and 112121012000.

It is not a weakly prime, because it can be changed into another prime (112121012711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060506005 + 56060506006.

It is an arithmetic number, because the mean of its divisors is an integer number (56060506006).

Almost surely, 2^112121012011 is an apocalyptic number.

112121012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121012011 is an equidigital number, since it uses as much as digits as its factorization.

112121012011 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 112121012011 its reverse (110210121211), we get a palindrome (222331133222).

The spelling of 112121012011 in words is "one hundred twelve billion, one hundred twenty-one million, twelve thousand, eleven".