11201222100222 has 128 divisors (see below), whose sum is σ = 31308324664320. Its totient is φ = 2883661240320.

The previous prime is 11201222100221. The next prime is 11201222100223. The reversal of 11201222100222 is 22200122210211.

It is a happy number.

11201222100222 is a `hidden beast` number, since 1 + 120 + 1 + 222 + 100 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (11201222100221) and next prime (11201222100223).

It is a super-2 number, since 2×11201222100222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11201222100195 and 11201222100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201222100221) 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, 11450043 + ... + 12389750.

It is an arithmetic number, because the mean of its divisors is an integer number (244596286440).

Almost surely, 2^{11201222100222} is an apocalyptic number.

11201222100222 is an abundant number, since it is smaller than the sum of its proper divisors (20107102564098).

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

11201222100222 is a wasteful number, since it uses less digits than its factorization.

11201222100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23839935 (or 23839929 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11201222100222 its reverse (22200122210211), we get a palindrome (33401344310433).

The spelling of 11201222100222 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".