21410231202 has 20 divisors (see below), whose sum is σ = 47974777686. Its totient is φ = 7136743680.

The previous prime is 21410231177. The next prime is 21410231209. The reversal of 21410231202 is 20213201412.

It is a happy number.

21410231202 is a `hidden beast` number, since 2 + 1 + 410 + 231 + 20 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11010514761 + 10399716441 = 104931^2 + 101979^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21410231209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 66080799 + ... + 66081122.

Almost surely, 2^21410231202 is an apocalyptic number.

21410231202 is an abundant number, since it is smaller than the sum of its proper divisors (26564546484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21410231202 is a wasteful number, since it uses less digits than its factorization.

21410231202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132161935 (or 132161926 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21410231202 its reverse (20213201412), we get a palindrome (41623432614).

The spelling of 21410231202 in words is "twenty-one billion, four hundred ten million, two hundred thirty-one thousand, two hundred two".