11120021215 has 8 divisors (see below), whose sum is σ = 14128968240. Its totient is φ = 8372721792.

The previous prime is 11120021201. The next prime is 11120021219. The reversal of 11120021215 is 51212002111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11120021215 - 2¹¹ = 11120019167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120021219) 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, 65411805 + ... + 65411974.

It is an arithmetic number, because the mean of its divisors is an integer number (1766121030).

Almost surely, 2^11120021215 is an apocalyptic number.

11120021215 is a deficient number, since it is larger than the sum of its proper divisors (3008947025).

11120021215 is a wasteful number, since it uses less digits than its factorization.

11120021215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130823801.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 11120021215 its reverse (51212002111), we get a palindrome (62332023326).

The spelling of 11120021215 in words is "eleven billion, one hundred twenty million, twenty-one thousand, two hundred fifteen".