21310033202 has 8 divisors (see below), whose sum is σ = 32013410412. Its totient is φ = 10638896400.

The previous prime is 21310033159. The next prime is 21310033211. The reversal of 21310033202 is 20233001312.

It can be written as a sum of positive squares in 2 ways, for example, as 18623787961 + 2686245241 = 136469^2 + 51829^2 .

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, 8058449 + ... + 8061092.

Almost surely, 2^21310033202 is an apocalyptic number.

21310033202 is a deficient number, since it is larger than the sum of its proper divisors (10703377210).

21310033202 is a wasteful number, since it uses less digits than its factorization.

21310033202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120204.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21310033202 its reverse (20233001312), we get a palindrome (41543034514).

The spelling of 21310033202 in words is "twenty-one billion, three hundred ten million, thirty-three thousand, two hundred two".