11213100212 has 24 divisors (see below), whose sum is σ = 20303861760. Its totient is φ = 5412078560.

The previous prime is 11213100191. The next prime is 11213100229. The reversal of 11213100212 is 21200131211.

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, 862037 + ... + 874947.

It is an arithmetic number, because the mean of its divisors is an integer number (845994240).

Almost surely, 2^11213100212 is an apocalyptic number.

It is an amenable number.

11213100212 is a deficient number, since it is larger than the sum of its proper divisors (9090761548).

11213100212 is a wasteful number, since it uses less digits than its factorization.

11213100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20431 (or 20429 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11213100212 its reverse (21200131211), we get a palindrome (32413231423).

The spelling of 11213100212 in words is "eleven billion, two hundred thirteen million, one hundred thousand, two hundred twelve".