21301022302 has 16 divisors (see below), whose sum is σ = 37061055360. Its totient is φ = 8992755288.

The previous prime is 21301022291. The next prime is 21301022357. The reversal of 21301022302 is 20322010312.

It is a super-2 number, since 2×21301022302² (a number of 21 digits) contains 22 as substring.

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, 11353552 + ... + 11355427.

It is an arithmetic number, because the mean of its divisors is an integer number (2316315960).

Almost surely, 2^21301022302 is an apocalyptic number.

21301022302 is a deficient number, since it is larger than the sum of its proper divisors (15760033058).

21301022302 is a wasteful number, since it uses less digits than its factorization.

21301022302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22709055.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21301022302 its reverse (20322010312), we get a palindrome (41623032614).

The spelling of 21301022302 in words is "twenty-one billion, three hundred one million, twenty-two thousand, three hundred two".