1001201321332 has 6 divisors (see below), whose sum is σ = 1752102312338. Its totient is φ = 500600660664.

The previous prime is 1001201321299. The next prime is 1001201321369. The reversal of 1001201321332 is 2331231021001.

It can be written as a sum of positive squares in only one way, i.e., 988620558436 + 12580762896 = 994294^2 + 112164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125150165163 + ... + 125150165170.

Almost surely, 2^{1001201321332} is an apocalyptic number.

It is an amenable number.

1001201321332 is a deficient number, since it is larger than the sum of its proper divisors (750900991006).

1001201321332 is a wasteful number, since it uses less digits than its factorization.

1001201321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250300330337 (or 250300330335 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1001201321332 its reverse (2331231021001), we get a palindrome (3332432342333).

The spelling of 1001201321332 in words is "one trillion, one billion, two hundred one million, three hundred twenty-one thousand, three hundred thirty-two".