21330105311410 has 64 divisors (see below), whose sum is σ = 45182194170624. Its totient is φ = 7097840640000.

The previous prime is 21330105311341. The next prime is 21330105311413. The reversal of 21330105311410 is 1411350103312.

It is not an unprimeable number, because it can be changed into a prime (21330105311413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18700216 + ... + 19808035.

It is an arithmetic number, because the mean of its divisors is an integer number (705971783916).

Almost surely, 2^{21330105311410} is an apocalyptic number.

21330105311410 is an abundant number, since it is smaller than the sum of its proper divisors (23852088859214).

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

21330105311410 is a wasteful number, since it uses less digits than its factorization.

21330105311410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38508499.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 21330105311410 its reverse (1411350103312), we get a palindrome (22741455414722).

The spelling of 21330105311410 in words is "twenty-one trillion, three hundred thirty billion, one hundred five million, three hundred eleven thousand, four hundred ten".