11212511224 has 16 divisors (see below), whose sum is σ = 21937522320. Its totient is φ = 5362505280.

The previous prime is 11212511221. The next prime is 11212511237. The reversal of 11212511224 is 42211521211.

It is a junction number, because it is equal to n+sod(n) for n = 11212511195 and 11212511204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212511221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30468597 + ... + 30468964.

It is an arithmetic number, because the mean of its divisors is an integer number (1371095145).

Almost surely, 2^11212511224 is an apocalyptic number.

It is an amenable number.

11212511224 is a deficient number, since it is larger than the sum of its proper divisors (10725011096).

11212511224 is a wasteful number, since it uses less digits than its factorization.

11212511224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60937590 (or 60937586 counting only the distinct ones).

The product of its digits is 320, while the sum is 22.

The spelling of 11212511224 in words is "eleven billion, two hundred twelve million, five hundred eleven thousand, two hundred twenty-four".