11221301112 has 64 divisors (see below), whose sum is σ = 33946801920. Its totient is φ = 3017491968.

The previous prime is 11221301083. The next prime is 11221301123. The reversal of 11221301112 is 21110312211.

It is a junction number, because it is equal to n+sod(n) for n = 11221301091 and 11221301100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1961658 + ... + 1967369.

It is an arithmetic number, because the mean of its divisors is an integer number (530418780).

Almost surely, 2^11221301112 is an apocalyptic number.

11221301112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11221301112 is an abundant number, since it is smaller than the sum of its proper divisors (22725500808).

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

11221301112 is a wasteful number, since it uses less digits than its factorization.

11221301112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929060 (or 3929056 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11221301112 its reverse (21110312211), we get a palindrome (32331613323).

The spelling of 11221301112 in words is "eleven billion, two hundred twenty-one million, three hundred one thousand, one hundred twelve".