21110301302 has 4 divisors (see below), whose sum is σ = 31665451956. Its totient is φ = 10555150650.

The previous prime is 21110301193. The next prime is 21110301307. The reversal of 21110301302 is 20310301112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×21110301302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110301307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277575324 + ... + 5277575327.

It is an arithmetic number, because the mean of its divisors is an integer number (7916362989).

Almost surely, 2^21110301302 is an apocalyptic number.

21110301302 is a deficient number, since it is larger than the sum of its proper divisors (10555150654).

21110301302 is a wasteful number, since it uses less digits than its factorization.

21110301302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10555150653.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21110301302 its reverse (20310301112), we get a palindrome (41420602414).

The spelling of 21110301302 in words is "twenty-one billion, one hundred ten million, three hundred one thousand, three hundred two".