21214131230201 has 32 divisors (see below), whose sum is σ = 26266992998400. Its totient is φ = 16783019173440.

The previous prime is 21214131230189. The next prime is 21214131230309. The reversal of 21214131230201 is 10203213141212.

It is not a de Polignac number, because 21214131230201 - 2²⁶ = 21214064121337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21214131233201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154936511 + ... + 155073371.

It is an arithmetic number, because the mean of its divisors is an integer number (820843531200).

Almost surely, 2^{21214131230201} is an apocalyptic number.

It is an amenable number.

21214131230201 is a deficient number, since it is larger than the sum of its proper divisors (5052861768199).

21214131230201 is a wasteful number, since it uses less digits than its factorization.

21214131230201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146986 (or 146960 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 21214131230201 its reverse (10203213141212), we get a palindrome (31417344371413).

The spelling of 21214131230201 in words is "twenty-one trillion, two hundred fourteen billion, one hundred thirty-one million, two hundred thirty thousand, two hundred one".