2124221242 has 64 divisors (see below), whose sum is σ = 4032483840. Its totient is φ = 824644800.

The previous prime is 2124221237. The next prime is 2124221251. The reversal of 2124221242 is 2421224212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229117 + ... + 238207.

It is an arithmetic number, because the mean of its divisors is an integer number (63007560).

Almost surely, 2^2124221242 is an apocalyptic number.

2124221242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2124221242 is a deficient number, since it is larger than the sum of its proper divisors (1908262598).

2124221242 is a wasteful number, since it uses less digits than its factorization.

2124221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179.

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

The square root of 2124221242 is about 46089.2746959637. The cubic root of 2124221242 is about 1285.4837246806.

Adding to 2124221242 its reverse (2421224212), we get a palindrome (4545445454).

The spelling of 2124221242 in words is "two billion, one hundred twenty-four million, two hundred twenty-one thousand, two hundred forty-two".