1001121203201 has 8 divisors (see below), whose sum is σ = 1144154434560. Its totient is φ = 858091951008.

The previous prime is 1001121203119. The next prime is 1001121203209. The reversal of 1001121203201 is 1023021211001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001121203201 - 2¹⁴ = 1001121186817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001121203209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434636 + ... + 1480253.

It is an arithmetic number, because the mean of its divisors is an integer number (143019304320).

Almost surely, 2^{1001121203201} is an apocalyptic number.

It is an amenable number.

1001121203201 is a deficient number, since it is larger than the sum of its proper divisors (143033231359).

1001121203201 is an equidigital number, since it uses as much as digits as its factorization.

1001121203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989583.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001121203201 its reverse (1023021211001), we get a palindrome (2024142414202).

The spelling of 1001121203201 in words is "one trillion, one billion, one hundred twenty-one million, two hundred three thousand, two hundred one".