11220042215120 has 40 divisors (see below), whose sum is σ = 26169941972616. Its totient is φ = 4473678163968.

The previous prime is 11220042215089. The next prime is 11220042215189. The reversal of 11220042215120 is 2151224002211.

It can be written as a sum of positive squares in 4 ways, for example, as 1397133456016 + 9822908759104 = 1182004^2 + 3134152^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×11220042215120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 224017337 + ... + 224067416.

Almost surely, 2^{11220042215120} is an apocalyptic number.

11220042215120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220042215120 is an abundant number, since it is smaller than the sum of its proper divisors (14949899757496).

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

11220042215120 is a wasteful number, since it uses less digits than its factorization.

11220042215120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448085079 (or 448085073 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11220042215120 its reverse (2151224002211), we get a palindrome (13371266217331).

The spelling of 11220042215120 in words is "eleven trillion, two hundred twenty billion, forty-two million, two hundred fifteen thousand, one hundred twenty".