21000100313330 has 16 divisors (see below), whose sum is σ = 39443666675904. Its totient is φ = 8034820989360.

The previous prime is 21000100313303. The next prime is 21000100313333. The reversal of 21000100313330 is 3331300100012.

It is a junction number, because it is equal to n+sod(n) for n = 21000100313299 and 21000100313308.

It is not an unprimeable number, because it can be changed into a prime (21000100313333) 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, 45652391756 + ... + 45652392215.

It is an arithmetic number, because the mean of its divisors is an integer number (2465229167244).

Almost surely, 2^{21000100313330} is an apocalyptic number.

21000100313330 is a deficient number, since it is larger than the sum of its proper divisors (18443566362574).

21000100313330 is a wasteful number, since it uses less digits than its factorization.

21000100313330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91304784001.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 21000100313330 its reverse (3331300100012), we get a palindrome (24331400413342).

The spelling of 21000100313330 in words is "twenty-one trillion, one hundred million, three hundred thirteen thousand, three hundred thirty".