11021122222012 has 96 divisors (see below), whose sum is σ = 23326227025920. Its totient is φ = 4454183036160.

The previous prime is 11021122221973. The next prime is 11021122222039. The reversal of 11021122222012 is 21022222112011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34283062 + ... + 34603042.

It is an arithmetic number, because the mean of its divisors is an integer number (242981531520).

Almost surely, 2^{11021122222012} 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 11021122222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11663113512960).

11021122222012 is an abundant number, since it is smaller than the sum of its proper divisors (12305104803908).

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

11021122222012 is a wasteful number, since it uses less digits than its factorization.

11021122222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320771 (or 320769 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11021122222012 its reverse (21022222112011), we get a palindrome (32043344334023).

The spelling of 11021122222012 in words is "eleven trillion, twenty-one billion, one hundred twenty-two million, two hundred twenty-two thousand, twelve".