11201222000020 has 96 divisors (see below), whose sum is σ = 25489284912000. Its totient is φ = 4110186862080.

The previous prime is 11201221999993. The next prime is 11201222000051. The reversal of 11201222000020 is 2000022210211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 69709731 + ... + 69870229.

It is an arithmetic number, because the mean of its divisors is an integer number (265513384500).

Almost surely, 2^{11201222000020} is an apocalyptic number.

11201222000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11201222000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12744642456000).

11201222000020 is an abundant number, since it is smaller than the sum of its proper divisors (14288062911980).

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

11201222000020 is a wasteful number, since it uses less digits than its factorization.

11201222000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162185 (or 162183 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11201222000020 its reverse (2000022210211), we get a palindrome (13201244210231).

The spelling of 11201222000020 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, twenty", and thus it is an aban number.