112121010101011 has 2 divisors, whose sum is σ = 112121010101012. Its totient is φ = 112121010101010.

The previous prime is 112121010100999. The next prime is 112121010101033. The reversal of 112121010101011 is 110101010121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112121010101011 - 2²¹ = 112121008003859 is a prime.

It is a super-2 number, since 2×112121010101011² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112121010100982 and 112121010101000.

It is not a weakly prime, because it can be changed into another prime (112121010108011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060505050505 + 56060505050506.

It is an arithmetic number, because the mean of its divisors is an integer number (56060505050506).

Almost surely, 2^{112121010101011} is an apocalyptic number.

112121010101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121010101011 is an equidigital number, since it uses as much as digits as its factorization.

112121010101011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 112121010101011 its reverse (110101010121211), we get a palindrome (222222020222222).

The spelling of 112121010101011 in words is "one hundred twelve trillion, one hundred twenty-one billion, ten million, one hundred one thousand, eleven".