11010022221 has 16 divisors (see below), whose sum is σ = 16173142848. Its totient is φ = 6606672000.

The previous prime is 11010022213. The next prime is 11010022223. The reversal of 11010022221 is 12222001011.

It is not a de Polignac number, because 11010022221 - 2³ = 11010022213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11010022197 and 11010022206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010022223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648336 + ... + 1655001.

It is an arithmetic number, because the mean of its divisors is an integer number (1010821428).

Almost surely, 2^11010022221 is an apocalyptic number.

11010022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11010022221 is a deficient number, since it is larger than the sum of its proper divisors (5163120627).

11010022221 is a wasteful number, since it uses less digits than its factorization.

11010022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303452.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11010022221 its reverse (12222001011), we get a palindrome (23232023232).

The spelling of 11010022221 in words is "eleven billion, ten million, twenty-two thousand, two hundred twenty-one".