2113122003 has 8 divisors (see below), whose sum is σ = 2829800400. Its totient is φ = 1402595808.

The previous prime is 2113121999. The next prime is 2113122007. The reversal of 2113122003 is 3002213112.

It is an interprime number because it is at equal distance from previous prime (2113121999) and next prime (2113122007).

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

It is not a de Polignac number, because 2113122003 - 2² = 2113121999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113122007) 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, 1537248 + ... + 1538621.

It is an arithmetic number, because the mean of its divisors is an integer number (353725050).

Almost surely, 2^2113122003 is an apocalyptic number.

2113122003 is a deficient number, since it is larger than the sum of its proper divisors (716678397).

2113122003 is a wasteful number, since it uses less digits than its factorization.

2113122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076101.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2113122003 is about 45968.7067797214. The cubic root of 2113122003 is about 1283.2408927325.

Adding to 2113122003 its reverse (3002213112), we get a palindrome (5115335115).

It can be divided in two parts, 21131 and 22003, that added together give a palindrome (43134).

The spelling of 2113122003 in words is "two billion, one hundred thirteen million, one hundred twenty-two thousand, three".