21003113213330 has 16 divisors (see below), whose sum is σ = 38031984648000. Its totient is φ = 8350938426672.

The previous prime is 21003113213309. The next prime is 21003113213333. The reversal of 21003113213330 is 3331231130012.

It is a super-2 number, since 2×21003113213330² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21003113213296 and 21003113213305.

It is not an unprimeable number, because it can be changed into a prime (21003113213333) 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, 6288355580 + ... + 6288358919.

It is an arithmetic number, because the mean of its divisors is an integer number (2376999040500).

Almost surely, 2^{21003113213330} is an apocalyptic number.

21003113213330 is a deficient number, since it is larger than the sum of its proper divisors (17028871434670).

21003113213330 is a wasteful number, since it uses less digits than its factorization.

21003113213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12576714673.

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

Adding to 21003113213330 its reverse (3331231130012), we get a palindrome (24334344343342).

The spelling of 21003113213330 in words is "twenty-one trillion, three billion, one hundred thirteen million, two hundred thirteen thousand, three hundred thirty".