112121112221141 has 2 divisors, whose sum is σ = 112121112221142. Its totient is φ = 112121112221140.

The previous prime is 112121112221071. The next prime is 112121112221143. The reversal of 112121112221141 is 141122211121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109874860658641 + 2246251562500 = 10482121^2 + 1498750^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121112221141 - 2²⁶ = 112121045112277 is a prime.

It is a super-2 number, since 2×112121112221141² (a number of 29 digits) contains 22 as substring.

Together with 112121112221143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112121112221143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060556110570 + 56060556110571.

It is an arithmetic number, because the mean of its divisors is an integer number (56060556110571).

Almost surely, 2^{112121112221141} is an apocalyptic number.

It is an amenable number.

112121112221141 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121112221141 is an equidigital number, since it uses as much as digits as its factorization.

112121112221141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 23.

Adding to 112121112221141 its reverse (141122211121211), we get a palindrome (253243323342352).

The spelling of 112121112221141 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, one hundred forty-one".