1100201003221 has 16 divisors (see below), whose sum is σ = 1208528496000. Its totient is φ = 996920958528.

The previous prime is 1100201003191. The next prime is 1100201003243. The reversal of 1100201003221 is 1223001020011.

It is a cyclic number.

It is not a de Polignac number, because 1100201003221 - 2⁵ = 1100201003189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100201003521) 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, 8728555 + ... + 8853703.

It is an arithmetic number, because the mean of its divisors is an integer number (75533031000).

Almost surely, 2^{1100201003221} is an apocalyptic number.

It is an amenable number.

1100201003221 is a deficient number, since it is larger than the sum of its proper divisors (108327492779).

1100201003221 is a wasteful number, since it uses less digits than its factorization.

1100201003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145308.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1100201003221 its reverse (1223001020011), we get a palindrome (2323202023232).

The spelling of 1100201003221 in words is "one trillion, one hundred billion, two hundred one million, three thousand, two hundred twenty-one".