1001321311202 has 8 divisors (see below), whose sum is σ = 1502051034816. Its totient is φ = 500637632932.

The previous prime is 1001321311187. The next prime is 1001321311231. The reversal of 1001321311202 is 2021131231001.

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

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, 11456918 + ... + 11543985.

It is an arithmetic number, because the mean of its divisors is an integer number (187756379352).

Almost surely, 2^{1001321311202} is an apocalyptic number.

1001321311202 is a deficient number, since it is larger than the sum of its proper divisors (500729723614).

1001321311202 is a wasteful number, since it uses less digits than its factorization.

1001321311202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23022672.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1001321311202 its reverse (2021131231001), we get a palindrome (3022452542203).

The spelling of 1001321311202 in words is "one trillion, one billion, three hundred twenty-one million, three hundred eleven thousand, two hundred two".