1022220221001 has 16 divisors (see below), whose sum is σ = 1583204466048. Its totient is φ = 574550006400.

The previous prime is 1022220220919. The next prime is 1022220221003. The reversal of 1022220221001 is 1001220222201.

It is not a de Polignac number, because 1022220221001 - 2¹⁸ = 1022219958857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022220221003) 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 15 ways as a sum of consecutive naturals, for example, 398991780 + ... + 398994341.

It is an arithmetic number, because the mean of its divisors is an integer number (98950279128).

Almost surely, 2^{1022220221001} is an apocalyptic number.

It is an amenable number.

1022220221001 is a deficient number, since it is larger than the sum of its proper divisors (560984245047).

1022220221001 is an equidigital number, since it uses as much as digits as its factorization.

1022220221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797986192.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022220221001 its reverse (1001220222201), we get a palindrome (2023440443202).

The spelling of 1022220221001 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, one".