21223130102 has 8 divisors (see below), whose sum is σ = 31914884496. Its totient is φ = 10584835272.

The previous prime is 21223130003. The next prime is 21223130111. The reversal of 21223130102 is 20103132212.

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, 13363898 + ... + 13365485.

It is an arithmetic number, because the mean of its divisors is an integer number (3989360562).

Almost surely, 2^21223130102 is an apocalyptic number.

21223130102 is a deficient number, since it is larger than the sum of its proper divisors (10691754394).

21223130102 is a wasteful number, since it uses less digits than its factorization.

21223130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26729782.

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

Adding to 21223130102 its reverse (20103132212), we get a palindrome (41326262314).

The spelling of 21223130102 in words is "twenty-one billion, two hundred twenty-three million, one hundred thirty thousand, one hundred two".