21102201202 has 8 divisors (see below), whose sum is σ = 31979624796. Its totient is φ = 10442326272.

The previous prime is 21102201187. The next prime is 21102201217. The reversal of 21102201202 is 20210220112.

It is a happy number.

21102201202 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (21102201187) and next prime (21102201217).

It can be written as a sum of positive squares in 2 ways, for example, as 20609760721 + 492440481 = 143561^2 + 22191^2 .

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, 54386923 + ... + 54387310.

Almost surely, 2^21102201202 is an apocalyptic number.

21102201202 is a deficient number, since it is larger than the sum of its proper divisors (10877423594).

21102201202 is a wasteful number, since it uses less digits than its factorization.

21102201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108774332.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21102201202 its reverse (20210220112), we get a palindrome (41312421314).

The spelling of 21102201202 in words is "twenty-one billion, one hundred two million, two hundred one thousand, two hundred two".