21202222103 has 8 divisors (see below), whose sum is σ = 21989728800. Its totient is φ = 20418475168.

The previous prime is 21202222099. The next prime is 21202222109. The reversal of 21202222103 is 30122220212.

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

It is a cyclic number.

It is not a de Polignac number, because 21202222103 - 2² = 21202222099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202222109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928451 + ... + 951012.

It is an arithmetic number, because the mean of its divisors is an integer number (2748716100).

Almost surely, 2^21202222103 is an apocalyptic number.

21202222103 is a deficient number, since it is larger than the sum of its proper divisors (787506697).

21202222103 is a wasteful number, since it uses less digits than its factorization.

21202222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879881.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21202222103 its reverse (30122220212), we get a palindrome (51324442315).

The spelling of 21202222103 in words is "twenty-one billion, two hundred two million, two hundred twenty-two thousand, one hundred three".