1100021220211 has 8 divisors (see below), whose sum is σ = 1123452880704. Its totient is φ = 1076590682880.

The previous prime is 1100021220173. The next prime is 1100021220223. The reversal of 1100021220211 is 1120221200011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100021220211 - 2⁹ = 1100021219699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100021220191 and 1100021220200.

It is not an unprimeable number, because it can be changed into a prime (1100021223211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872931 + ... + 2389123.

It is an arithmetic number, because the mean of its divisors is an integer number (140431610088).

Almost surely, 2^{1100021220211} is an apocalyptic number.

1100021220211 is a deficient number, since it is larger than the sum of its proper divisors (23431660493).

1100021220211 is an equidigital number, since it uses as much as digits as its factorization.

1100021220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561581.

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

Adding to 1100021220211 its reverse (1120221200011), we get a palindrome (2220242420222).

The spelling of 1100021220211 in words is "one trillion, one hundred billion, twenty-one million, two hundred twenty thousand, two hundred eleven".