11121216052 has 24 divisors (see below), whose sum is σ = 20026282752. Its totient is φ = 5400638400.

The previous prime is 11121216023. The next prime is 11121216079. The reversal of 11121216052 is 25061212111.

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, 115474 + ... + 188617.

It is an arithmetic number, because the mean of its divisors is an integer number (834428448).

Almost surely, 2^11121216052 is an apocalyptic number.

It is an amenable number.

11121216052 is a deficient number, since it is larger than the sum of its proper divisors (8905066700).

11121216052 is a wasteful number, since it uses less digits than its factorization.

11121216052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304359 (or 304357 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 11121216052 its reverse (25061212111), we get a palindrome (36182428163).

The spelling of 11121216052 in words is "eleven billion, one hundred twenty-one million, two hundred sixteen thousand, fifty-two".