21223003102 has 16 divisors (see below), whose sum is σ = 37269664992. Its totient is φ = 8873729280.

The previous prime is 21223003051. The next prime is 21223003121. The reversal of 21223003102 is 20130032212.

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, 18486363 + ... + 18487510.

It is an arithmetic number, because the mean of its divisors is an integer number (2329354062).

Almost surely, 2^21223003102 is an apocalyptic number.

21223003102 is a deficient number, since it is larger than the sum of its proper divisors (16046661890).

21223003102 is a wasteful number, since it uses less digits than its factorization.

21223003102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36973923.

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

Adding to 21223003102 its reverse (20130032212), we get a palindrome (41353035314).

The spelling of 21223003102 in words is "twenty-one billion, two hundred twenty-three million, three thousand, one hundred two".