21003301101300 has 72 divisors (see below), whose sum is σ = 69450915648576. Its totient is φ = 4800754536960.

The previous prime is 21003301101227. The next prime is 21003301101353. The reversal of 21003301101300 is 310110330012.

It is a super-2 number, since 2×21003301101300² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 21003301101300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5000783877 + ... + 5000788076.

Almost surely, 2^{21003301101300} is an apocalyptic number.

21003301101300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21003301101300 is an abundant number, since it is smaller than the sum of its proper divisors (48447614547276).

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

21003301101300 is a wasteful number, since it uses less digits than its factorization.

21003301101300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001571977 (or 10001571970 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 21003301101300 its reverse (310110330012), we get a palindrome (21313411431312).

The spelling of 21003301101300 in words is "twenty-one trillion, three billion, three hundred one million, one hundred one thousand, three hundred".