11221011210212 has 12 divisors (see below), whose sum is σ = 19649495986176. Its totient is φ = 5606869499880.

The previous prime is 11221011210197. The next prime is 11221011210217. The reversal of 11221011210212 is 21201211012211.

It is a super-2 number, since 2×11221011210212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221011210217) 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, 909019364 + ... + 909031707.

It is an arithmetic number, because the mean of its divisors is an integer number (1637457998848).

Almost surely, 2^{11221011210212} is an apocalyptic number.

It is an amenable number.

11221011210212 is a deficient number, since it is larger than the sum of its proper divisors (8428484775964).

11221011210212 is a wasteful number, since it uses less digits than its factorization.

11221011210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818052618 (or 1818052616 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11221011210212 its reverse (21201211012211), we get a palindrome (32422222222423).

The spelling of 11221011210212 in words is "eleven trillion, two hundred twenty-one billion, eleven million, two hundred ten thousand, two hundred twelve".