201211233320099 has 4 divisors (see below), whose sum is σ = 202658796149880. Its totient is φ = 199763670490320.

The previous prime is 201211233320047. The next prime is 201211233320129. The reversal of 201211233320099 is 990023332112102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201211233320099 - 2²⁰ = 201211232271523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201211233320029) 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 3 ways as a sum of consecutive naturals, for example, 723781414682 + ... + 723781414959.

It is an arithmetic number, because the mean of its divisors is an integer number (50664699037470).

Almost surely, 2^{201211233320099} is an apocalyptic number.

201211233320099 is a deficient number, since it is larger than the sum of its proper divisors (1447562829781).

201211233320099 is a wasteful number, since it uses less digits than its factorization.

201211233320099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447562829780.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 201211233320099 in words is "two hundred one trillion, two hundred eleven billion, two hundred thirty-three million, three hundred twenty thousand, ninety-nine".