21113300123330 has 8 divisors (see below), whose sum is σ = 38003940222012. Its totient is φ = 8445320049328.

The previous prime is 21113300123303. The next prime is 21113300123347. The reversal of 21113300123330 is 3332100331112.

It can be written as a sum of positive squares in 2 ways, for example, as 21083240539201 + 30059584129 = 4591649^2 + 173377^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21113300123296 and 21113300123305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055665006157 + ... + 1055665006176.

Almost surely, 2^{21113300123330} is an apocalyptic number.

21113300123330 is a deficient number, since it is larger than the sum of its proper divisors (16890640098682).

21113300123330 is a wasteful number, since it uses less digits than its factorization.

21113300123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111330012340.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 21113300123330 its reverse (3332100331112), we get a palindrome (24445400454442).

The spelling of 21113300123330 in words is "twenty-one trillion, one hundred thirteen billion, three hundred million, one hundred twenty-three thousand, three hundred thirty".