201000123311 has 8 divisors (see below), whose sum is σ = 216538118160. Its totient is φ = 185473049472.

The previous prime is 201000123299. The next prime is 201000123319. The reversal of 201000123311 is 113321000102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000123311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000123319) 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 7 ways as a sum of consecutive naturals, for example, 2692001 + ... + 2765658.

It is an arithmetic number, because the mean of its divisors is an integer number (27067264770).

Almost surely, 2^201000123311 is an apocalyptic number.

201000123311 is a deficient number, since it is larger than the sum of its proper divisors (15537994849).

201000123311 is a wasteful number, since it uses less digits than its factorization.

201000123311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460505.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 201000123311 its reverse (113321000102), we get a palindrome (314321123413).

The spelling of 201000123311 in words is "two hundred one billion, one hundred twenty-three thousand, three hundred eleven".