2112001331 has 16 divisors (see below), whose sum is σ = 2335106400. Its totient is φ = 1894233600.

The previous prime is 2112001327. The next prime is 2112001391. The reversal of 2112001331 is 1331002112.

It is a cyclic number.

It is not a de Polignac number, because 2112001331 - 2² = 2112001327 is a prime.

It is a super-2 number, since 2×2112001331² = 8921099244291543122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112001391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285305 + ... + 292613.

It is an arithmetic number, because the mean of its divisors is an integer number (145944150).

Almost surely, 2^2112001331 is an apocalyptic number.

2112001331 is a deficient number, since it is larger than the sum of its proper divisors (223105069).

2112001331 is a wasteful number, since it uses less digits than its factorization.

2112001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7670.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2112001331 is about 45956.5156533870. The cubic root of 2112001331 is about 1283.0140015203.

Adding to 2112001331 its reverse (1331002112), we get a palindrome (3443003443).

The spelling of 2112001331 in words is "two billion, one hundred twelve million, one thousand, three hundred thirty-one".