201343122100989 has 32 divisors (see below), whose sum is σ = 325409753692800. Its totient is φ = 122023611578880.

The previous prime is 201343122100909. The next prime is 201343122100993. The reversal of 201343122100989 is 989001221343102.

201343122100989 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 431 + 22 + 100 + 98 + 9 = 666.

It is not a de Polignac number, because 201343122100989 - 2¹¹ = 201343122098941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201343122100909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7430157 + ... + 21398445.

It is an arithmetic number, because the mean of its divisors is an integer number (10169054802900).

Almost surely, 2^{201343122100989} is an apocalyptic number.

It is an amenable number.

201343122100989 is a deficient number, since it is larger than the sum of its proper divisors (124066631591811).

201343122100989 is a wasteful number, since it uses less digits than its factorization.

201343122100989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016842 (or 14016836 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 201343122100989 in words is "two hundred one trillion, three hundred forty-three billion, one hundred twenty-two million, one hundred thousand, nine hundred eighty-nine".