11001020021222 has 48 divisors (see below), whose sum is σ = 21851183158272. Its totient is φ = 4099759004880.

The previous prime is 11001020021149. The next prime is 11001020021227. The reversal of 11001020021222 is 22212002010011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11001020021197 and 11001020021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001020021227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221823638 + ... + 221873225.

It is an arithmetic number, because the mean of its divisors is an integer number (455232982464).

Almost surely, 2^{11001020021222} is an apocalyptic number.

11001020021222 is a deficient number, since it is larger than the sum of its proper divisors (10850163137050).

11001020021222 is a wasteful number, since it uses less digits than its factorization.

11001020021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443696913 (or 443696906 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11001020021222 its reverse (22212002010011), we get a palindrome (33213022031233).

The spelling of 11001020021222 in words is "eleven trillion, one billion, twenty million, twenty-one thousand, two hundred twenty-two".