112121112221071 has 2 divisors, whose sum is σ = 112121112221072. Its totient is φ = 112121112221070.

The previous prime is 112121112221039. The next prime is 112121112221141. The reversal of 112121112221071 is 170122211121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112121112221071 - 2⁵ = 112121112221039 is a prime.

It is a super-2 number, since 2×112121112221071² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112121112228071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060556110535 + 56060556110536.

It is an arithmetic number, because the mean of its divisors is an integer number (56060556110536).

Almost surely, 2^{112121112221071} is an apocalyptic number.

112121112221071 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121112221071 is an equidigital number, since it uses as much as digits as its factorization.

112121112221071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 25.

Adding to 112121112221071 its reverse (170122211121211), we get a palindrome (282243323342282).

The spelling of 112121112221071 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, seventy-one".