11220100221212 has 96 divisors (see below), whose sum is σ = 20861621383680. Its totient is φ = 5271065130240.

The previous prime is 11220100221181. The next prime is 11220100221227. The reversal of 11220100221212 is 21212200102211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2275418387 + ... + 2275423317.

It is an arithmetic number, because the mean of its divisors is an integer number (217308556080).

Almost surely, 2^{11220100221212} is an apocalyptic number.

It is an amenable number.

11220100221212 is a deficient number, since it is larger than the sum of its proper divisors (9641521162468).

11220100221212 is a wasteful number, since it uses less digits than its factorization.

11220100221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603 (or 6601 counting only the distinct ones).

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

Adding to 11220100221212 its reverse (21212200102211), we get a palindrome (32432300323423).

The spelling of 11220100221212 in words is "eleven trillion, two hundred twenty billion, one hundred million, two hundred twenty-one thousand, two hundred twelve".