21002111103302 has 64 divisors (see below), whose sum is σ = 36560760597504. Its totient is φ = 8862978255360.

The previous prime is 21002111103293. The next prime is 21002111103403. The reversal of 21002111103302 is 20330111120012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117443777 + ... + 117622467.

It is an arithmetic number, because the mean of its divisors is an integer number (571261884336).

Almost surely, 2^{21002111103302} is an apocalyptic number.

21002111103302 is a deficient number, since it is larger than the sum of its proper divisors (15558649494202).

21002111103302 is a wasteful number, since it uses less digits than its factorization.

21002111103302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179333.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21002111103302 its reverse (20330111120012), we get a palindrome (41332222223314).

The spelling of 21002111103302 in words is "twenty-one trillion, two billion, one hundred eleven million, one hundred three thousand, three hundred two".