201303111222311 has 12 divisors (see below), whose sum is σ = 234169162852680. Its totient is φ = 172545348865680.

The previous prime is 201303111222263. The next prime is 201303111222403. The reversal of 201303111222311 is 113222111303102.

It is a happy number.

201303111222311 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201303111222311 - 2⁶ = 201303111222247 is a prime.

It is a super-2 number, since 2×201303111222311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201303111222911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77119616 + ... + 79687146.

It is an arithmetic number, because the mean of its divisors is an integer number (19514096904390).

Almost surely, 2^{201303111222311} is an apocalyptic number.

201303111222311 is a deficient number, since it is larger than the sum of its proper divisors (32866051630369).

201303111222311 is a wasteful number, since it uses less digits than its factorization.

201303111222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167614 (or 4167607 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 201303111222311 its reverse (113222111303102), we get a palindrome (314525222525413).

The spelling of 201303111222311 in words is "two hundred one trillion, three hundred three billion, one hundred eleven million, two hundred twenty-two thousand, three hundred eleven".