11012201112 has 128 divisors (see below), whose sum is σ = 32093107200. Its totient is φ = 3111782400.

The previous prime is 11012201099. The next prime is 11012201113. The reversal of 11012201112 is 21110221011.

It is a super-2 number, since 2×11012201112² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012201113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477937 + ... + 500447.

It is an arithmetic number, because the mean of its divisors is an integer number (250727400).

Almost surely, 2^11012201112 is an apocalyptic number.

11012201112 is a gapful number since it is divisible by the number (12) 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 11012201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16046553600).

11012201112 is an abundant number, since it is smaller than the sum of its proper divisors (21080906088).

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

11012201112 is a wasteful number, since it uses less digits than its factorization.

11012201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22657 (or 22653 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11012201112 its reverse (21110221011), we get a palindrome (32122422123).

The spelling of 11012201112 in words is "eleven billion, twelve million, two hundred one thousand, one hundred twelve".