21233313202 has 4 divisors (see below), whose sum is σ = 31849969806. Its totient is φ = 10616656600.

The previous prime is 21233313131. The next prime is 21233313221. The reversal of 21233313202 is 20231333212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14170759681 + 7062553521 = 119041^2 + 84039^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5308328299 + ... + 5308328302.

Almost surely, 2^21233313202 is an apocalyptic number.

21233313202 is a deficient number, since it is larger than the sum of its proper divisors (10616656604).

21233313202 is a wasteful number, since it uses less digits than its factorization.

21233313202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616656603.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21233313202 its reverse (20231333212), we get a palindrome (41464646414).

The spelling of 21233313202 in words is "twenty-one billion, two hundred thirty-three million, three hundred thirteen thousand, two hundred two".