11221210020212 has 12 divisors (see below), whose sum is σ = 19827769162656. Its totient is φ = 5556133116600.

The previous prime is 11221210020161. The next prime is 11221210020277. The reversal of 11221210020212 is 21202001212211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13617972914 + ... + 13617973737.

It is an arithmetic number, because the mean of its divisors is an integer number (1652314096888).

Almost surely, 2^{11221210020212} is an apocalyptic number.

It is an amenable number.

11221210020212 is a deficient number, since it is larger than the sum of its proper divisors (8606559142444).

11221210020212 is a wasteful number, since it uses less digits than its factorization.

11221210020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27235946758 (or 27235946756 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11221210020212 its reverse (21202001212211), we get a palindrome (32423211232423).

The spelling of 11221210020212 in words is "eleven trillion, two hundred twenty-one billion, two hundred ten million, twenty thousand, two hundred twelve".