21233301130 has 16 divisors (see below), whose sum is σ = 38255714280. Its totient is φ = 8485371072.

The previous prime is 21233301127. The next prime is 21233301137. The reversal of 21233301130 is 3110333212.

It can be written as a sum of positive squares in 4 ways, for example, as 18738598321 + 2494702809 = 136889^2 + 49947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21233301098 and 21233301107.

It is not an unprimeable number, because it can be changed into a prime (21233301137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982449 + ... + 1003828.

Almost surely, 2^21233301130 is an apocalyptic number.

21233301130 is a deficient number, since it is larger than the sum of its proper divisors (17022413150).

21233301130 is a wasteful number, since it uses less digits than its factorization.

21233301130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987353.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21233301130 its reverse (3110333212), we get a palindrome (24343634342).

The spelling of 21233301130 in words is "twenty-one billion, two hundred thirty-three million, three hundred one thousand, one hundred thirty".