1112382121 has 2 divisors, whose sum is σ = 1112382122. Its totient is φ = 1112382120.

The previous prime is 1112382109. The next prime is 1112382127. The reversal of 1112382121 is 1212832111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814474521 + 297907600 = 28539^2 + 17260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112382121 - 2⁹ = 1112381609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112382092 and 1112382101.

It is not a weakly prime, because it can be changed into another prime (1112382127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556191060 + 556191061.

It is an arithmetic number, because the mean of its divisors is an integer number (556191061).

Almost surely, 2^1112382121 is an apocalyptic number.

It is an amenable number.

1112382121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112382121 is an equidigital number, since it uses as much as digits as its factorization.

1112382121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 22.

The square root of 1112382121 is about 33352.3930325846. The cubic root of 1112382121 is about 1036.1389504823.

The spelling of 1112382121 in words is "one billion, one hundred twelve million, three hundred eighty-two thousand, one hundred twenty-one".