11212100001222 has 16 divisors (see below), whose sum is σ = 22424615277120. Its totient is φ = 3737297454632.

The previous prime is 11212100001143. The next prime is 11212100001259. The reversal of 11212100001222 is 22210000121211.

11212100001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11212100001222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16951572 + ... + 17600567.

It is an arithmetic number, because the mean of its divisors is an integer number (1401538454820).

Almost surely, 2^{11212100001222} is an apocalyptic number.

11212100001222 is an abundant number, since it is smaller than the sum of its proper divisors (11212515275898).

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

11212100001222 is a wasteful number, since it uses less digits than its factorization.

11212100001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34606227.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212100001222 its reverse (22210000121211), we get a palindrome (33422100122433).

The spelling of 11212100001222 in words is "eleven trillion, two hundred twelve billion, one hundred million, one thousand, two hundred twenty-two".