11212220302 has 12 divisors (see below), whose sum is σ = 17750095056. Its totient is φ = 5311051380.

The previous prime is 11212220293. The next prime is 11212220309. The reversal of 11212220302 is 20302221211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212220309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7763974 + ... + 7765417.

It is an arithmetic number, because the mean of its divisors is an integer number (1479174588).

Almost surely, 2^11212220302 is an apocalyptic number.

11212220302 is a deficient number, since it is larger than the sum of its proper divisors (6537874754).

11212220302 is a wasteful number, since it uses less digits than its factorization.

11212220302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15529431 (or 15529412 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11212220302 its reverse (20302221211), we get a palindrome (31514441513).

Subtracting 11212220302 from its reverse (20302221211), we obtain a palindrome (9090000909).

The spelling of 11212220302 in words is "eleven billion, two hundred twelve million, two hundred twenty thousand, three hundred two".