201102021112111 has 24 divisors (see below), whose sum is σ = 236923535373120. Its totient is φ = 170182956367872.

The previous prime is 201102021112099. The next prime is 201102021112207. The reversal of 201102021112111 is 111211120201102.

It is not a de Polignac number, because 201102021112111 - 2⁷ = 201102021111983 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 (201102021118111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69237831 + ... + 72083848.

It is an arithmetic number, because the mean of its divisors is an integer number (9871813973880).

Almost surely, 2^{201102021112111} is an apocalyptic number.

201102021112111 is a deficient number, since it is larger than the sum of its proper divisors (35821514261009).

201102021112111 is a wasteful number, since it uses less digits than its factorization.

201102021112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141322063 (or 141322056 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 201102021112111 its reverse (111211120201102), we get a palindrome (312313141313213).

The spelling of 201102021112111 in words is "two hundred one trillion, one hundred two billion, twenty-one million, one hundred twelve thousand, one hundred eleven".