201001323320111 has 4 divisors (see below), whose sum is σ = 203754766105392. Its totient is φ = 198247880534832.

The previous prime is 201001323320101. The next prime is 201001323320137. The reversal of 201001323320111 is 111023323100102.

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 201001323320111 - 2³⁴ = 200984143450927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001323320101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376721392531 + ... + 1376721392676.

It is an arithmetic number, because the mean of its divisors is an integer number (50938691526348).

Almost surely, 2^{201001323320111} is an apocalyptic number.

201001323320111 is a deficient number, since it is larger than the sum of its proper divisors (2753442785281).

201001323320111 is an equidigital number, since it uses as much as digits as its factorization.

201001323320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753442785280.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 201001323320111 its reverse (111023323100102), we get a palindrome (312024646420213).

The spelling of 201001323320111 in words is "two hundred one trillion, one billion, three hundred twenty-three million, three hundred twenty thousand, one hundred eleven".