201120020311 has 4 divisors (see below), whose sum is σ = 229851451792. Its totient is φ = 172388588832.

The previous prime is 201120020243. The next prime is 201120020323. The reversal of 201120020311 is 113020021102.

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 201120020311 - 2⁹ = 201120019799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201120020291 and 201120020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120020341) 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, 14365715730 + ... + 14365715743.

It is an arithmetic number, because the mean of its divisors is an integer number (57462862948).

Almost surely, 2^201120020311 is an apocalyptic number.

201120020311 is a deficient number, since it is larger than the sum of its proper divisors (28731431481).

201120020311 is an equidigital number, since it uses as much as digits as its factorization.

201120020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28731431480.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201120020311 its reverse (113020021102), we get a palindrome (314140041413).

The spelling of 201120020311 in words is "two hundred one billion, one hundred twenty million, twenty thousand, three hundred eleven".