1100221020211 has 4 divisors (see below), whose sum is σ = 1100237291424. Its totient is φ = 1100204749000.

The previous prime is 1100221020161. The next prime is 1100221020221. The reversal of 1100221020211 is 1120201220011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100221020211 - 2⁷ = 1100221020083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100221020191 and 1100221020200.

It is not an unprimeable number, because it can be changed into a prime (1100221020221) 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, 8033755 + ... + 8169556.

It is an arithmetic number, because the mean of its divisors is an integer number (275059322856).

Almost surely, 2^{1100221020211} is an apocalyptic number.

1100221020211 is a deficient number, since it is larger than the sum of its proper divisors (16271213).

1100221020211 is an equidigital number, since it uses as much as digits as its factorization.

1100221020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16271212.

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

Adding to 1100221020211 its reverse (1120201220011), we get a palindrome (2220422240222).

The spelling of 1100221020211 in words is "one trillion, one hundred billion, two hundred twenty-one million, twenty thousand, two hundred eleven".