1001002221022 has 8 divisors (see below), whose sum is σ = 1516982747616. Its totient is φ = 495341305152.

The previous prime is 1001002220987. The next prime is 1001002221029. The reversal of 1001002221022 is 2201222001001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1001002220993 and 1001002221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001002221029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2579902438 + ... + 2579902825.

It is an arithmetic number, because the mean of its divisors is an integer number (189622843452).

Almost surely, 2^{1001002221022} is an apocalyptic number.

1001002221022 is a deficient number, since it is larger than the sum of its proper divisors (515980526594).

1001002221022 is an equidigital number, since it uses as much as digits as its factorization.

1001002221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159805362.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1001002221022 its reverse (2201222001001), we get a palindrome (3202224222023).

The spelling of 1001002221022 in words is "one trillion, one billion, two million, two hundred twenty-one thousand, twenty-two".