2101331242 has 8 divisors (see below), whose sum is σ = 3260686500. Its totient is φ = 1014435744.

The previous prime is 2101331231. The next prime is 2101331261. The reversal of 2101331242 is 2421331012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2085657561 + 15673681 = 45669^2 + 3959^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18114867 + ... + 18114982.

Almost surely, 2^2101331242 is an apocalyptic number.

2101331242 is a deficient number, since it is larger than the sum of its proper divisors (1159355258).

2101331242 is a wasteful number, since it uses less digits than its factorization.

2101331242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36229880.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2101331242 is about 45840.2796893736. The cubic root of 2101331242 is about 1280.8497047757.

Adding to 2101331242 its reverse (2421331012), we get a palindrome (4522662254).

The spelling of 2101331242 in words is "two billion, one hundred one million, three hundred thirty-one thousand, two hundred forty-two".