1100222020321 has 4 divisors (see below), whose sum is σ = 1100233041712. Its totient is φ = 1100210998932.

The previous prime is 1100222020319. The next prime is 1100222020349. The reversal of 1100222020321 is 1230202220011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100222020321 - 2¹ = 1100222020319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100222020295 and 1100222020304.

It is not an unprimeable number, because it can be changed into a prime (1100222020361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5359575 + ... + 5561068.

It is an arithmetic number, because the mean of its divisors is an integer number (275058260428).

Almost surely, 2^{1100222020321} is an apocalyptic number.

It is an amenable number.

1100222020321 is a deficient number, since it is larger than the sum of its proper divisors (11021391).

1100222020321 is a wasteful number, since it uses less digits than its factorization.

1100222020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11021390.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1100222020321 its reverse (1230202220011), we get a palindrome (2330424240332).

The spelling of 1100222020321 in words is "one trillion, one hundred billion, two hundred twenty-two million, twenty thousand, three hundred twenty-one".