21113350202 has 24 divisors (see below), whose sum is σ = 38779626240. Its totient is φ = 8572336920.

The previous prime is 21113350151. The next prime is 21113350231. The reversal of 21113350202 is 20205331112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5667674 + ... + 5671397.

It is an arithmetic number, because the mean of its divisors is an integer number (1615817760).

Almost surely, 2^21113350202 is an apocalyptic number.

21113350202 is a deficient number, since it is larger than the sum of its proper divisors (17666276038).

21113350202 is a wasteful number, since it uses less digits than its factorization.

21113350202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339106 (or 11339099 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 21113350202 its reverse (20205331112), we get a palindrome (41318681314).

The spelling of 21113350202 in words is "twenty-one billion, one hundred thirteen million, three hundred fifty thousand, two hundred two".