201122221112101 has 16 divisors (see below), whose sum is σ = 205334795664000. Its totient is φ = 196947052492608.

The previous prime is 201122221112093. The next prime is 201122221112149. The reversal of 201122221112101 is 101211122221102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201122221112101 - 2³ = 201122221112093 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 (201122221112161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7985331 + ... + 21587263.

It is an arithmetic number, because the mean of its divisors is an integer number (12833424729000).

Almost surely, 2^{201122221112101} is an apocalyptic number.

It is an amenable number.

201122221112101 is a deficient number, since it is larger than the sum of its proper divisors (4212574551899).

201122221112101 is a wasteful number, since it uses less digits than its factorization.

201122221112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13603308.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201122221112101 its reverse (101211122221102), we get a palindrome (302333343333203).

The spelling of 201122221112101 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred one".