21303001010004 has 48 divisors (see below), whose sum is σ = 56852280457728. Its totient is φ = 6081827671008.

The previous prime is 21303001009957. The next prime is 21303001010017. The reversal of 21303001010004 is 40001010030312.

It is a super-3 number, since 3×21303001010004³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98725882 + ... + 98941425.

It is an arithmetic number, because the mean of its divisors is an integer number (1184422509536).

Almost surely, 2^{21303001010004} is an apocalyptic number.

It is an amenable number.

21303001010004 is an abundant number, since it is smaller than the sum of its proper divisors (35549279447724).

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

21303001010004 is a wasteful number, since it uses less digits than its factorization.

21303001010004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197668604 (or 197668602 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21303001010004 its reverse (40001010030312), we get a palindrome (61304011040316).

The spelling of 21303001010004 in words is "twenty-one trillion, three hundred three billion, one million, ten thousand, four".