1001200022002 has 8 divisors (see below), whose sum is σ = 1505043662976. Its totient is φ = 499518801012.

The previous prime is 1001200021999. The next prime is 1001200022021. The reversal of 1001200022002 is 2002200021001.

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 1001200022002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540603838 + ... + 540605689.

It is an arithmetic number, because the mean of its divisors is an integer number (188130457872).

Almost surely, 2^{1001200022002} is an apocalyptic number.

1001200022002 is a deficient number, since it is larger than the sum of its proper divisors (503843640974).

1001200022002 is a wasteful number, since it uses less digits than its factorization.

1001200022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081209992.

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

Adding to 1001200022002 its reverse (2002200021001), we get a palindrome (3003400043003).

The spelling of 1001200022002 in words is "one trillion, one billion, two hundred million, twenty-two thousand, two".