1011022222211 has 4 divisors (see below), whose sum is σ = 1011042830232. Its totient is φ = 1011001614192.

The previous prime is 1011022222169. The next prime is 1011022222267. The reversal of 1011022222211 is 1122222201101.

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 1011022222211 - 2²⁶ = 1010955113347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011022222211.

It is not an unprimeable number, because it can be changed into a prime (1011022282211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10230245 + ... + 10328598.

It is an arithmetic number, because the mean of its divisors is an integer number (252760707558).

Almost surely, 2^{1011022222211} is an apocalyptic number.

1011022222211 is a deficient number, since it is larger than the sum of its proper divisors (20608021).

1011022222211 is an equidigital number, since it uses as much as digits as its factorization.

1011022222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20608020.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1011022222211 its reverse (1122222201101), we get a palindrome (2133244423312).

The spelling of 1011022222211 in words is "one trillion, eleven billion, twenty-two million, two hundred twenty-two thousand, two hundred eleven".