201324220111 has 48 divisors (see below), whose sum is σ = 256440666112. Its totient is φ = 154594137600.

The previous prime is 201324220091. The next prime is 201324220177. The reversal of 201324220111 is 111022423102.

It is not a de Polignac number, because 201324220111 - 2⁹ = 201324219599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201324200111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3799180 + ... + 3851806.

Almost surely, 2^201324220111 is an apocalyptic number.

201324220111 is a deficient number, since it is larger than the sum of its proper divisors (55116446001).

201324220111 is a wasteful number, since it uses less digits than its factorization.

201324220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52760 (or 52743 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201324220111 its reverse (111022423102), we get a palindrome (312346643213).

The spelling of 201324220111 in words is "two hundred one billion, three hundred twenty-four million, two hundred twenty thousand, one hundred eleven".