21003011000104 has 32 divisors (see below), whose sum is σ = 45007080972480. Its totient is φ = 9001164662784.

The previous prime is 21003011000099. The next prime is 21003011000119. The reversal of 21003011000104 is 40100011030012.

It is a super-2 number, since 2×21003011000104² (a number of 27 digits) contains 22 as substring.

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, 1480479 + ... + 6648145.

It is an arithmetic number, because the mean of its divisors is an integer number (1406471280390).

Almost surely, 2^{21003011000104} is an apocalyptic number.

It is an amenable number.

21003011000104 is an abundant number, since it is smaller than the sum of its proper divisors (24004069972376).

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

21003011000104 is a wasteful number, since it uses less digits than its factorization.

21003011000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240257 (or 5240253 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21003011000104 its reverse (40100011030012), we get a palindrome (61103022030116).

The spelling of 21003011000104 in words is "twenty-one trillion, three billion, eleven million, one hundred four", and thus it is an aban number.