21103001302 has 16 divisors (see below), whose sum is σ = 31739558400. Its totient is φ = 10523169000.

The previous prime is 21103001299. The next prime is 21103001317. The reversal of 21103001302 is 20310030112.

It is a congruent number.

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, 4168849 + ... + 4173907.

It is an arithmetic number, because the mean of its divisors is an integer number (1983722400).

Almost surely, 2^21103001302 is an apocalyptic number.

21103001302 is a deficient number, since it is larger than the sum of its proper divisors (10636557098).

21103001302 is a wasteful number, since it uses less digits than its factorization.

21103001302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10251.

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

Adding to 21103001302 its reverse (20310030112), we get a palindrome (41413031414).

The spelling of 21103001302 in words is "twenty-one billion, one hundred three million, one thousand, three hundred two".