11021220011112 has 32 divisors (see below), whose sum is σ = 28751008726080. Its totient is φ = 3514012177280.

The previous prime is 11021220011111. The next prime is 11021220011119. The reversal of 11021220011112 is 21111002212011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11021220011091 and 11021220011100.

It is not an unprimeable number, because it can be changed into a prime (11021220011111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9982988589 + ... + 9982989692.

It is an arithmetic number, because the mean of its divisors is an integer number (898469022690).

Almost surely, 2^{11021220011112} is an apocalyptic number.

11021220011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021220011112 is an abundant number, since it is smaller than the sum of its proper divisors (17729788714968).

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

11021220011112 is a wasteful number, since it uses less digits than its factorization.

11021220011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19965978313 (or 19965978309 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11021220011112 its reverse (21111002212011), we get a palindrome (32132222223123).

The spelling of 11021220011112 in words is "eleven trillion, twenty-one billion, two hundred twenty million, eleven thousand, one hundred twelve".