2112215003 has 4 divisors (see below), whose sum is σ = 2112765648. Its totient is φ = 2111664360.

The previous prime is 2112214991. The next prime is 2112215011. The reversal of 2112215003 is 3005122112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112215003 - 2⁴ = 2112214987 is a prime.

It is a super-2 number, since 2×2112215003² = 8922904437796580018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112215023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269528 + ... + 277253.

It is an arithmetic number, because the mean of its divisors is an integer number (528191412).

Almost surely, 2^2112215003 is an apocalyptic number.

2112215003 is a deficient number, since it is larger than the sum of its proper divisors (550645).

2112215003 is an equidigital number, since it uses as much as digits as its factorization.

2112215003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550644.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2112215003 is about 45958.8403139157. The cubic root of 2112215003 is about 1283.0572677372.

Adding to 2112215003 its reverse (3005122112), we get a palindrome (5117337115).

The spelling of 2112215003 in words is "two billion, one hundred twelve million, two hundred fifteen thousand, three".