1100221230222 has 24 divisors (see below), whose sum is σ = 2509276490760. Its totient is φ = 347438283120.

The previous prime is 1100221230139. The next prime is 1100221230223. The reversal of 1100221230222 is 2220321220011.

It is a super-2 number, since 2×1100221230222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1100221230195 and 1100221230204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100221230223) 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, 1608510229 + ... + 1608510912.

It is an arithmetic number, because the mean of its divisors is an integer number (104553187115).

Almost surely, 2^{1100221230222} is an apocalyptic number.

1100221230222 is an abundant number, since it is smaller than the sum of its proper divisors (1409055260538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100221230222 is a wasteful number, since it uses less digits than its factorization.

1100221230222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217021168 (or 3217021165 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1100221230222 its reverse (2220321220011), we get a palindrome (3320542450233).

The spelling of 1100221230222 in words is "one trillion, one hundred billion, two hundred twenty-one million, two hundred thirty thousand, two hundred twenty-two".