11211222000022 has 16 divisors (see below), whose sum is σ = 18352070910144. Its totient is φ = 5094222525000.

The previous prime is 11211221999987. The next prime is 11211222000047. The reversal of 11211222000022 is 22000022211211.

It is a happy number.

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, 89309604 + ... + 89435047.

It is an arithmetic number, because the mean of its divisors is an integer number (1147004431884).

Almost surely, 2^{11211222000022} is an apocalyptic number.

11211222000022 is a deficient number, since it is larger than the sum of its proper divisors (7140848910122).

11211222000022 is a wasteful number, since it uses less digits than its factorization.

11211222000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178747515.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11211222000022 its reverse (22000022211211), we get a palindrome (33211244211233).

The spelling of 11211222000022 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, twenty-two", and thus it is an aban number.