201122011211100 has 144 divisors (see below), whose sum is σ = 687975983385600. Its totient is φ = 44385547288320.

The previous prime is 201122011211087. The next prime is 201122011211101. The reversal of 201122011211100 is 1112110221102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201122011211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122011211101) 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, 1651187140 + ... + 1651308939.

Almost surely, 2^{201122011211100} is an apocalyptic number.

201122011211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122011211100 is an abundant number, since it is smaller than the sum of its proper divisors (486853972174500).

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

201122011211100 is a wasteful number, since it uses less digits than its factorization.

201122011211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302496132 (or 3302496125 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201122011211100 its reverse (1112110221102), we get a palindrome (202234121432202).

The spelling of 201122011211100 in words is "two hundred one trillion, one hundred twenty-two billion, eleven million, two hundred eleven thousand, one hundred".