1001002201331 has 8 divisors (see below), whose sum is σ = 1103260159344. Its totient is φ = 900620536320.

The previous prime is 1001002201289. The next prime is 1001002201337. The reversal of 1001002201331 is 1331022001001.

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 1001002201331 - 2³⁸ = 726124294387 is a prime.

It is a super-2 number, since 2×1001002201331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001002201337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469072130 + ... + 469074263.

It is an arithmetic number, because the mean of its divisors is an integer number (137907519918).

Almost surely, 2^{1001002201331} is an apocalyptic number.

1001002201331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001002201331 is a deficient number, since it is larger than the sum of its proper divisors (102257958013).

1001002201331 is an equidigital number, since it uses as much as digits as its factorization.

1001002201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938146501.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1001002201331 its reverse (1331022001001), we get a palindrome (2332024202332).

The spelling of 1001002201331 in words is "one trillion, one billion, two million, two hundred one thousand, three hundred thirty-one".