11123220021112 has 16 divisors (see below), whose sum is σ = 20947914360360. Its totient is φ = 5537109525024.

The previous prime is 11123220021097. The next prime is 11123220021127. The reversal of 11123220021112 is 21112002232111.

It is an interprime number because it is at equal distance from previous prime (11123220021097) and next prime (11123220021127).

It is a self number, because there is not a number n which added to its sum of digits gives 11123220021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3062558763 + ... + 3062562394.

Almost surely, 2^{11123220021112} is an apocalyptic number.

It is an amenable number.

11123220021112 is a deficient number, since it is larger than the sum of its proper divisors (9824694339248).

11123220021112 is a wasteful number, since it uses less digits than its factorization.

11123220021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125121390 (or 6125121386 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11123220021112 its reverse (21112002232111), we get a palindrome (32235222253223).

The spelling of 11123220021112 in words is "eleven trillion, one hundred twenty-three billion, two hundred twenty million, twenty-one thousand, one hundred twelve".