21411323202 has 32 divisors (see below), whose sum is σ = 43093897920. Its totient is φ = 7091945280.

The previous prime is 21411323201. The next prime is 21411323209. The reversal of 21411323202 is 20232311412.

It is a super-2 number, since 2×21411323202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21411323201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2350677 + ... + 2359767.

It is an arithmetic number, because the mean of its divisors is an integer number (1346684310).

Almost surely, 2^21411323202 is an apocalyptic number.

21411323202 is an abundant number, since it is smaller than the sum of its proper divisors (21682574718).

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

21411323202 is a wasteful number, since it uses less digits than its factorization.

21411323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11538.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21411323202 its reverse (20232311412), we get a palindrome (41643634614).

The spelling of 21411323202 in words is "twenty-one billion, four hundred eleven million, three hundred twenty-three thousand, two hundred two".