2112142503 has 8 divisors (see below), whose sum is σ = 2816491248. Its totient is φ = 1407944384.

The previous prime is 2112142469. The next prime is 2112142517. The reversal of 2112142503 is 3052412112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112142503 - 2⁹ = 2112141991 is a prime.

It is a super-2 number, since 2×2112142503² = 8922291905958210018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112142503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112142523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625 + ... + 64997.

It is an arithmetic number, because the mean of its divisors is an integer number (352061406).

Almost surely, 2^2112142503 is an apocalyptic number.

2112142503 is a deficient number, since it is larger than the sum of its proper divisors (704348745).

2112142503 is a wasteful number, since it uses less digits than its factorization.

2112142503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75313.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2112142503 is about 45958.0515579153. The cubic root of 2112142503 is about 1283.0425876161.

Adding to 2112142503 its reverse (3052412112), we get a palindrome (5164554615).

The spelling of 2112142503 in words is "two billion, one hundred twelve million, one hundred forty-two thousand, five hundred three".