21303001010002 has 16 divisors (see below), whose sum is σ = 31965840480600. Its totient is φ = 10647721510272.

The previous prime is 21303001009957. The next prime is 21303001010017. The reversal of 21303001010002 is 20001010030312.

It can be written as a sum of positive squares in 4 ways, for example, as 21263451335361 + 39549674641 = 4611231^2 + 198871^2 .

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, 66731838 + ... + 67050310.

Almost surely, 2^{21303001010002} is an apocalyptic number.

21303001010002 is a deficient number, since it is larger than the sum of its proper divisors (10662839470598).

21303001010002 is a wasteful number, since it uses less digits than its factorization.

21303001010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330237.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21303001010002 its reverse (20001010030312), we get a palindrome (41304011040314).

The spelling of 21303001010002 in words is "twenty-one trillion, three hundred three billion, one million, ten thousand, two".