21002232202 has 8 divisors (see below), whose sum is σ = 36003826656. Its totient is φ = 9000956652.

The previous prime is 21002232131. The next prime is 21002232287. The reversal of 21002232202 is 20223220012.

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

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, 750079708 + ... + 750079735.

It is an arithmetic number, because the mean of its divisors is an integer number (4500478332).

Almost surely, 2^21002232202 is an apocalyptic number.

21002232202 is a deficient number, since it is larger than the sum of its proper divisors (15001594454).

21002232202 is a wasteful number, since it uses less digits than its factorization.

21002232202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500159452.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 21002232202 its reverse (20223220012), we get a palindrome (41225452214).

The spelling of 21002232202 in words is "twenty-one billion, two million, two hundred thirty-two thousand, two hundred two".