11020112012 has 24 divisors (see below), whose sum is σ = 23735626656. Its totient is φ = 4359604608.

The previous prime is 11020111997. The next prime is 11020112017. The reversal of 11020112012 is 21021102011.

It is a junction number, because it is equal to n+sod(n) for n = 11020111984 and 11020112002.

It is not an unprimeable number, because it can be changed into a prime (11020112017) 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 7 ways as a sum of consecutive naturals, for example, 15137153 + ... + 15137880.

It is an arithmetic number, because the mean of its divisors is an integer number (988984444).

Almost surely, 2^11020112012 is an apocalyptic number.

It is an amenable number.

11020112012 is an abundant number, since it is smaller than the sum of its proper divisors (12715514644).

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

11020112012 is a wasteful number, since it uses less digits than its factorization.

11020112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30275057 (or 30275055 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020112012 its reverse (21021102011), we get a palindrome (32041214023).

The spelling of 11020112012 in words is "eleven billion, twenty million, one hundred twelve thousand, twelve".