11220101220212 has 6 divisors (see below), whose sum is σ = 19635177135378. Its totient is φ = 5610050610104.

The previous prime is 11220101220179. The next prime is 11220101220241. The reversal of 11220101220212 is 21202210102211.

It can be written as a sum of positive squares in only one way, i.e., 8168141136016 + 3051960084196 = 2857996^2 + 1746986^2 .

It is a super-2 number, since 2×11220101220212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402512652523 + ... + 1402512652530.

It is an arithmetic number, because the mean of its divisors is an integer number (3272529522563).

Almost surely, 2^{11220101220212} is an apocalyptic number.

It is an amenable number.

11220101220212 is a deficient number, since it is larger than the sum of its proper divisors (8415075915166).

11220101220212 is a wasteful number, since it uses less digits than its factorization.

11220101220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805025305057 (or 2805025305055 counting only the distinct ones).

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

Adding to 11220101220212 its reverse (21202210102211), we get a palindrome (32422311322423).

The spelling of 11220101220212 in words is "eleven trillion, two hundred twenty billion, one hundred one million, two hundred twenty thousand, two hundred twelve".