112121003 has 2 divisors, whose sum is σ = 112121004. Its totient is φ = 112121002.

The previous prime is 112120951. The next prime is 112121027. The reversal of 112121003 is 300121211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112121003 - 2¹⁰ = 112119979 is a prime.

It is a super-2 number, since 2×112121003² = 25142238627452018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112121903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060501 + 56060502.

It is an arithmetic number, because the mean of its divisors is an integer number (56060502).

Almost surely, 2^112121003 is an apocalyptic number.

112121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121003 is an equidigital number, since it uses as much as digits as its factorization.

112121003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 112121003 is about 10588.7205553835. The cubic root of 112121003 is about 482.2019822884.

Adding to 112121003 its reverse (300121211), we get a palindrome (412242214).

The spelling of 112121003 in words is "one hundred twelve million, one hundred twenty-one thousand, three".