1022211112211 has 8 divisors (see below), whose sum is σ = 1025761531200. Its totient is φ = 1018661113152.

The previous prime is 1022211112199. The next prime is 1022211112297. The reversal of 1022211112211 is 1122111122201.

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 1022211112211 - 2⁶ = 1022211112147 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 1022211112211.

It is not an unprimeable number, because it can be changed into a prime (1022231112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5243615 + ... + 5435063.

It is an arithmetic number, because the mean of its divisors is an integer number (128220191400).

Almost surely, 2^{1022211112211} is an apocalyptic number.

1022211112211 is a deficient number, since it is larger than the sum of its proper divisors (3550418989).

1022211112211 is a wasteful number, since it uses less digits than its factorization.

1022211112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209965.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1022211112211 its reverse (1122111122201), we get a palindrome (2144322234412).

The spelling of 1022211112211 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred twelve thousand, two hundred eleven".