21302023102 has 8 divisors (see below), whose sum is σ = 32167485000. Its totient is φ = 10579528104.

The previous prime is 21302023079. The next prime is 21302023121. The reversal of 21302023102 is 20132020312.

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, 35741352 + ... + 35741947.

It is an arithmetic number, because the mean of its divisors is an integer number (4020935625).

Almost surely, 2^21302023102 is an apocalyptic number.

21302023102 is a deficient number, since it is larger than the sum of its proper divisors (10865461898).

21302023102 is a wasteful number, since it uses less digits than its factorization.

21302023102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71483450.

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

Adding to 21302023102 its reverse (20132020312), we get a palindrome (41434043414).

The spelling of 21302023102 in words is "twenty-one billion, three hundred two million, twenty-three thousand, one hundred two".