201100201122 has 64 divisors (see below), whose sum is σ = 418427642880. Its totient is φ = 64364544000.

The previous prime is 201100201121. The next prime is 201100201123. The reversal of 201100201122 is 221102001102.

It is an interprime number because it is at equal distance from previous prime (201100201121) and next prime (201100201123).

It is a junction number, because it is equal to n+sod(n) for n = 201100201098 and 201100201107.

It is not an unprimeable number, because it can be changed into a prime (201100201121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13957122 + ... + 13971522.

It is an arithmetic number, because the mean of its divisors is an integer number (6537931920).

Almost surely, 2^201100201122 is an apocalyptic number.

201100201122 is an abundant number, since it is smaller than the sum of its proper divisors (217327441758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201100201122 is a wasteful number, since it uses less digits than its factorization.

201100201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15019.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201100201122 its reverse (221102001102), we get a palindrome (422202202224).

The spelling of 201100201122 in words is "two hundred one billion, one hundred million, two hundred one thousand, one hundred twenty-two".