1002221122002 has 24 divisors (see below), whose sum is σ = 2038991707536. Its totient is φ = 328411434264.

The previous prime is 1002221121971. The next prime is 1002221122081. The reversal of 1002221122002 is 2002211222001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23971768 + ... + 24013539.

It is an arithmetic number, because the mean of its divisors is an integer number (84957987814).

Almost surely, 2^{1002221122002} is an apocalyptic number.

1002221122002 is an abundant number, since it is smaller than the sum of its proper divisors (1036770585534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002221122002 is an equidigital number, since it uses as much as digits as its factorization.

1002221122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47985430 (or 47985371 counting only the distinct ones).

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

Adding to 1002221122002 its reverse (2002211222001), we get a palindrome (3004432344003).

Subtracting 1002221122002 from its reverse (2002211222001), we obtain a palindrome (999990099999).

The spelling of 1002221122002 in words is "one trillion, two billion, two hundred twenty-one million, one hundred twenty-two thousand, two".