21013321141104 has 20 divisors (see below), whose sum is σ = 54284412947976. Its totient is φ = 7004440380352.

The previous prime is 21013321141093. The next prime is 21013321141151. The reversal of 21013321141104 is 40114112331012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218888761839 + ... + 218888761934.

Almost surely, 2^{21013321141104} is an apocalyptic number.

21013321141104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21013321141104 is an abundant number, since it is smaller than the sum of its proper divisors (33271091806872).

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

21013321141104 is a wasteful number, since it uses less digits than its factorization.

21013321141104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437777523784 (or 437777523778 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 21013321141104 its reverse (40114112331012), we get a palindrome (61127433472116).

The spelling of 21013321141104 in words is "twenty-one trillion, thirteen billion, three hundred twenty-one million, one hundred forty-one thousand, one hundred four".