11222220010221 has 12 divisors (see below), whose sum is σ = 17683498198080. Its totient is φ = 6801345460680.

The previous prime is 11222220010219. The next prime is 11222220010231. The reversal of 11222220010221 is 12201002222211.

It is a happy number.

11222220010221 is a `hidden beast` number, since 1 + 1 + 222 + 220 + 0 + 1 + 0 + 221 = 666.

It is not a de Polignac number, because 11222220010221 - 2¹ = 11222220010219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222220010194 and 11222220010203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222220010231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56677878741 + ... + 56677878938.

It is an arithmetic number, because the mean of its divisors is an integer number (1473624849840).

Almost surely, 2^{11222220010221} is an apocalyptic number.

11222220010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222220010221 is a deficient number, since it is larger than the sum of its proper divisors (6461278187859).

11222220010221 is a wasteful number, since it uses less digits than its factorization.

11222220010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113355757696 (or 113355757693 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222220010221 its reverse (12201002222211), we get a palindrome (23423222232432).

The spelling of 11222220010221 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty million, ten thousand, two hundred twenty-one".