1022221001121 has 8 divisors (see below), whose sum is σ = 1366615388160. Its totient is φ = 679653640752.

The previous prime is 1022221001041. The next prime is 1022221001143. The reversal of 1022221001121 is 1211001222201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022221001121 - 2¹⁷ = 1022220870049 is a prime.

It is a super-4 number, since 4×1022221001121⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022221001121.

It is not an unprimeable number, because it can be changed into a prime (1022221001161) 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, 456755361 + ... + 456757598.

It is an arithmetic number, because the mean of its divisors is an integer number (170826923520).

Almost surely, 2^{1022221001121} is an apocalyptic number.

It is an amenable number.

1022221001121 is a deficient number, since it is larger than the sum of its proper divisors (344394387039).

1022221001121 is an equidigital number, since it uses as much as digits as its factorization.

1022221001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913513335.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1022221001121 its reverse (1211001222201), we get a palindrome (2233222223322).

The spelling of 1022221001121 in words is "one trillion, twenty-two billion, two hundred twenty-one million, one thousand, one hundred twenty-one".