21101033013330 has 16 divisors (see below), whose sum is σ = 50642479232064. Its totient is φ = 5626942136880.

The previous prime is 21101033013311. The next prime is 21101033013397. The reversal of 21101033013330 is 3331033010112.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21101033013297 and 21101033013306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351683883526 + ... + 351683883585.

It is an arithmetic number, because the mean of its divisors is an integer number (3165154952004).

Almost surely, 2^{21101033013330} is an apocalyptic number.

21101033013330 is an abundant number, since it is smaller than the sum of its proper divisors (29541446218734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21101033013330 is a wasteful number, since it uses less digits than its factorization.

21101033013330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703367767121.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 21101033013330 its reverse (3331033010112), we get a palindrome (24432066023442).

The spelling of 21101033013330 in words is "twenty-one trillion, one hundred one billion, thirty-three million, thirteen thousand, three hundred thirty".