201122111103311 has 4 divisors (see below), whose sum is σ = 208057356313800. Its totient is φ = 194186865892824.

The previous prime is 201122111103307. The next prime is 201122111103349. The reversal of 201122111103311 is 113301111221102.

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 201122111103311 - 2² = 201122111103307 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 (201122111103371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3467622605201 + ... + 3467622605258.

It is an arithmetic number, because the mean of its divisors is an integer number (52014339078450).

Almost surely, 2^{201122111103311} is an apocalyptic number.

201122111103311 is a deficient number, since it is larger than the sum of its proper divisors (6935245210489).

201122111103311 is an equidigital number, since it uses as much as digits as its factorization.

201122111103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935245210488.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 201122111103311 its reverse (113301111221102), we get a palindrome (314423222324413).

The spelling of 201122111103311 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred eleven million, one hundred three thousand, three hundred eleven".