1022220211121 has 8 divisors (see below), whose sum is σ = 1022888883744. Its totient is φ = 1021551686560.

The previous prime is 1022220211091. The next prime is 1022220211123. The reversal of 1022220211121 is 1211120222201.

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 1022220211121 - 2⁶ = 1022220211057 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 1022220211121.

It is not an unprimeable number, because it can be changed into a prime (1022220211123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15989606 + ... + 16053408.

It is an arithmetic number, because the mean of its divisors is an integer number (127861110468).

Almost surely, 2^{1022220211121} is an apocalyptic number.

It is an amenable number.

1022220211121 is a deficient number, since it is larger than the sum of its proper divisors (668672623).

1022220211121 is an equidigital number, since it uses as much as digits as its factorization.

1022220211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74031.

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

Adding to 1022220211121 its reverse (1211120222201), we get a palindrome (2233340433322).

The spelling of 1022220211121 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-one".