1002201101002 has 8 divisors (see below), whose sum is σ = 1503306439236. Its totient is φ = 501098954592.

The previous prime is 1002201100987. The next prime is 1002201101009. The reversal of 1002201101002 is 2001011022001.

It can be written as a sum of positive squares in 2 ways, for example, as 689349933441 + 312851167561 = 830271^2 + 559331^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002201101002.

It is not an unprimeable number, because it can be changed into a prime (1002201101009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276228 + ... + 1442464.

Almost surely, 2^{1002201101002} is an apocalyptic number.

1002201101002 is a deficient number, since it is larger than the sum of its proper divisors (501105338234).

1002201101002 is a wasteful number, since it uses less digits than its factorization.

1002201101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595912.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1002201101002 its reverse (2001011022001), we get a palindrome (3003212123003).

The spelling of 1002201101002 in words is "one trillion, two billion, two hundred one million, one hundred one thousand, two".