1100211200221 has 16 divisors (see below), whose sum is σ = 1301617405440. Its totient is φ = 909907044480.

The previous prime is 1100211200219. The next prime is 1100211200237. The reversal of 1100211200221 is 1220021120011.

It is not a de Polignac number, because 1100211200221 - 2¹ = 1100211200219 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 (1100211200261) 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, 1520520 + ... + 2124241.

It is an arithmetic number, because the mean of its divisors is an integer number (81351087840).

Almost surely, 2^{1100211200221} is an apocalyptic number.

It is an amenable number.

1100211200221 is a deficient number, since it is larger than the sum of its proper divisors (201406205219).

1100211200221 is a wasteful number, since it uses less digits than its factorization.

1100211200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646284.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100211200221 its reverse (1220021120011), we get a palindrome (2320232320232).

The spelling of 1100211200221 in words is "one trillion, one hundred billion, two hundred eleven million, two hundred thousand, two hundred twenty-one".