2101244242 has 16 divisors (see below), whose sum is σ = 3261954240. Its totient is φ = 1013957392.

The previous prime is 2101244239. The next prime is 2101244261. The reversal of 2101244242 is 2424421012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158523 + ... + 171265.

It is an arithmetic number, because the mean of its divisors is an integer number (203872140).

Almost surely, 2^2101244242 is an apocalyptic number.

2101244242 is a deficient number, since it is larger than the sum of its proper divisors (1160709998).

2101244242 is a wasteful number, since it uses less digits than its factorization.

2101244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2101244242 is about 45839.3307324616. The cubic root of 2101244242 is about 1280.8320278129.

Adding to 2101244242 its reverse (2424421012), we get a palindrome (4525665254).

The spelling of 2101244242 in words is "two billion, one hundred one million, two hundred forty-four thousand, two hundred forty-two".