1002022001002 has 12 divisors (see below), whose sum is σ = 1652094126018. Its totient is φ = 455464545800.

The previous prime is 1002022000981. The next prime is 1002022001009. The reversal of 1002022001002 is 2001002202001.

1002022001002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 971819384481 + 30202616521 = 985809^2 + 173789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1002022001002.

It is not an unprimeable number, because it can be changed into a prime (1002022001009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2070293149 + ... + 2070293632.

Almost surely, 2^{1002022001002} is an apocalyptic number.

1002022001002 is a deficient number, since it is larger than the sum of its proper divisors (650072125016).

1002022001002 is a wasteful number, since it uses less digits than its factorization.

1002022001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140586805 (or 4140586794 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1002022001002 its reverse (2001002202001), we get a palindrome (3003024203003).

It can be divided in two parts, 10020 and 22001002, that added together give a palindrome (22011022).

The spelling of 1002022001002 in words is "one trillion, two billion, twenty-two million, one thousand, two".