2331112021 has 8 divisors (see below), whose sum is σ = 2696226624. Its totient is φ = 1974022080.

The previous prime is 2331112019. The next prime is 2331112027. The reversal of 2331112021 is 1202111332.

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 2331112021 - 2¹ = 2331112019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331111986 and 2331112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005540 + ... + 2006701.

It is an arithmetic number, because the mean of its divisors is an integer number (337028328).

Almost surely, 2^2331112021 is an apocalyptic number.

It is an amenable number.

2331112021 is a deficient number, since it is larger than the sum of its proper divisors (365114603).

2331112021 is an equidigital number, since it uses as much as digits as its factorization.

2331112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012331.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2331112021 is about 48281.5909120650. The cubic root of 2331112021 is about 1325.9313771497.

Adding to 2331112021 its reverse (1202111332), we get a palindrome (3533223353).

The spelling of 2331112021 in words is "two billion, three hundred thirty-one million, one hundred twelve thousand, twenty-one".