2101224933 has 12 divisors (see below), whose sum is σ = 3040228620. Its totient is φ = 1398450816.

The previous prime is 2101224913. The next prime is 2101224959. The reversal of 2101224933 is 3394221012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1487027844 + 614197089 = 38562^2 + 24783^2 .

It is not a de Polignac number, because 2101224933 - 2⁵ = 2101224901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101224897 and 2101224906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101224913) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 191518 + ... + 202191.

It is an arithmetic number, because the mean of its divisors is an integer number (253352385).

Almost surely, 2^2101224933 is an apocalyptic number.

It is an amenable number.

2101224933 is a deficient number, since it is larger than the sum of its proper divisors (939003687).

2101224933 is a wasteful number, since it uses less digits than its factorization.

2101224933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394308 (or 394305 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2101224933 is about 45839.1201159010. The cubic root of 2101224933 is about 1280.8281044770.

Adding to 2101224933 its reverse (3394221012), we get a palindrome (5495445945).

The spelling of 2101224933 in words is "two billion, one hundred one million, two hundred twenty-four thousand, nine hundred thirty-three".