1022211122223 has 32 divisors (see below), whose sum is σ = 1414097530560. Its totient is φ = 656040591360.

The previous prime is 1022211122209. The next prime is 1022211122243. The reversal of 1022211122223 is 3222211122201.

It is a de Polignac number, because none of the positive numbers 2^k-1022211122223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022211122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022211122243) 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 31 ways as a sum of consecutive naturals, for example, 43008663 + ... + 43032423.

It is an arithmetic number, because the mean of its divisors is an integer number (44190547830).

Almost surely, 2^{1022211122223} is an apocalyptic number.

1022211122223 is a deficient number, since it is larger than the sum of its proper divisors (391886408337).

1022211122223 is a wasteful number, since it uses less digits than its factorization.

1022211122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25227.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1022211122223 its reverse (3222211122201), we get a palindrome (4244422244424).

The spelling of 1022211122223 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty-three".