21101232302 has 8 divisors (see below), whose sum is σ = 31654925712. Its totient is φ = 10549590400.

The previous prime is 21101232281. The next prime is 21101232343. The reversal of 21101232302 is 20323210112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486899 + ... + 528462.

It is an arithmetic number, because the mean of its divisors is an integer number (3956865714).

Almost surely, 2^21101232302 is an apocalyptic number.

21101232302 is a deficient number, since it is larger than the sum of its proper divisors (10553693410).

21101232302 is a wasteful number, since it uses less digits than its factorization.

21101232302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025754.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21101232302 its reverse (20323210112), we get a palindrome (41424442414).

The spelling of 21101232302 in words is "twenty-one billion, one hundred one million, two hundred thirty-two thousand, three hundred two".