201102111222201 has 64 divisors (see below), whose sum is σ = 344497159872000. Its totient is φ = 113567399136000.

The previous prime is 201102111222193. The next prime is 201102111222239. The reversal of 201102111222201 is 102222111201102.

201102111222201 is a `hidden beast` number, since 2 + 0 + 110 + 211 + 122 + 220 + 1 = 666.

It is not a de Polignac number, because 201102111222201 - 2³ = 201102111222193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201102111222251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 590575 + ... + 20063723.

It is an arithmetic number, because the mean of its divisors is an integer number (5382768123000).

Almost surely, 2^{201102111222201} is an apocalyptic number.

201102111222201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201102111222201 is a deficient number, since it is larger than the sum of its proper divisors (143395048649799).

201102111222201 is a wasteful number, since it uses less digits than its factorization.

201102111222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19473807 (or 19473801 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201102111222201 its reverse (102222111201102), we get a palindrome (303324222423303).

The spelling of 201102111222201 in words is "two hundred one trillion, one hundred two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred one".