21202101302 has 16 divisors (see below), whose sum is σ = 32669632800. Its totient is φ = 10313664960.

The previous prime is 21202101299. The next prime is 21202101331. The reversal of 21202101302 is 20310120212.

It is a happy number.

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, 330677 + ... + 389552.

It is an arithmetic number, because the mean of its divisors is an integer number (2041852050).

Almost surely, 2^21202101302 is an apocalyptic number.

21202101302 is a deficient number, since it is larger than the sum of its proper divisors (11467531498).

21202101302 is a wasteful number, since it uses less digits than its factorization.

21202101302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720631.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21202101302 its reverse (20310120212), we get a palindrome (41512221514).

The spelling of 21202101302 in words is "twenty-one billion, two hundred two million, one hundred one thousand, three hundred two".