11111220011112 has 32 divisors (see below), whose sum is σ = 29914823107680. Its totient is φ = 3418836926400.

The previous prime is 11111220011063. The next prime is 11111220011147. The reversal of 11111220011112 is 21111002211111.

It is a junction number, because it is equal to n+sod(n) for n = 11111220011091 and 11111220011100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17806442014 + ... + 17806442637.

It is an arithmetic number, because the mean of its divisors is an integer number (934838222115).

Almost surely, 2^{11111220011112} is an apocalyptic number.

11111220011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111220011112 is an abundant number, since it is smaller than the sum of its proper divisors (18803603096568).

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

11111220011112 is a wasteful number, since it uses less digits than its factorization.

11111220011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35612884673 (or 35612884669 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11111220011112 its reverse (21111002211111), we get a palindrome (32222222222223).

The spelling of 11111220011112 in words is "eleven trillion, one hundred eleven billion, two hundred twenty million, eleven thousand, one hundred twelve".