1100222002221 has 48 divisors (see below), whose sum is σ = 1592445910272. Its totient is φ = 675099532800.

The previous prime is 1100222002183. The next prime is 1100222002289. The reversal of 1100222002221 is 1222002220011.

It is not a de Polignac number, because 1100222002221 - 2⁷ = 1100222002093 is a prime.

It is a super-2 number, since 2×1100222002221² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1100222002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100222002291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4634076 + ... + 4865706.

It is an arithmetic number, because the mean of its divisors is an integer number (33175956464).

Almost surely, 2^{1100222002221} is an apocalyptic number.

It is an amenable number.

1100222002221 is a deficient number, since it is larger than the sum of its proper divisors (492223908051).

1100222002221 is a wasteful number, since it uses less digits than its factorization.

1100222002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231794 (or 231771 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1100222002221 its reverse (1222002220011), we get a palindrome (2322224222232).

The spelling of 1100222002221 in words is "one trillion, one hundred billion, two hundred twenty-two million, two thousand, two hundred twenty-one".