11222022121112 has 96 divisors (see below), whose sum is σ = 23362486665840. Its totient is φ = 5049233376000.

The previous prime is 11222022121109. The next prime is 11222022121139. The reversal of 11222022121112 is 21112122022211.

It is a super-2 number, since 2×11222022121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521385983 + ... + 521407505.

Almost surely, 2^{11222022121112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222022121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11681243332920).

11222022121112 is an abundant number, since it is smaller than the sum of its proper divisors (12140464544728).

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

11222022121112 is a wasteful number, since it uses less digits than its factorization.

11222022121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26985 (or 26970 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11222022121112 its reverse (21112122022211), we get a palindrome (32334144143323).

The spelling of 11222022121112 in words is "eleven trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".