21124232302 has 8 divisors (see below), whose sum is σ = 31993983216. Its totient is φ = 10459571232.

The previous prime is 21124232299. The next prime is 21124232341. The reversal of 21124232302 is 20323242112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51272203 + ... + 51272614.

It is an arithmetic number, because the mean of its divisors is an integer number (3999247902).

Almost surely, 2^21124232302 is an apocalyptic number.

21124232302 is a deficient number, since it is larger than the sum of its proper divisors (10869750914).

21124232302 is a wasteful number, since it uses less digits than its factorization.

21124232302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102544922.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21124232302 its reverse (20323242112), we get a palindrome (41447474414).

The spelling of 21124232302 in words is "twenty-one billion, one hundred twenty-four million, two hundred thirty-two thousand, three hundred two".