1001002213332 has 72 divisors (see below), whose sum is σ = 2777921389152. Its totient is φ = 301401921600.

The previous prime is 1001002213291. The next prime is 1001002213369. The reversal of 1001002213332 is 2333122001001.

1001002213332 is a `hidden beast` number, since 10 + 0 + 100 + 221 + 3 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7988094 + ... + 8112437.

It is an arithmetic number, because the mean of its divisors is an integer number (38582241516).

Almost surely, 2^{1001002213332} is an apocalyptic number.

1001002213332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001002213332 is an abundant number, since it is smaller than the sum of its proper divisors (1776919175820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001002213332 is a wasteful number, since it uses less digits than its factorization.

1001002213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16100709 (or 16100704 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1001002213332 its reverse (2333122001001), we get a palindrome (3334124214333).

The spelling of 1001002213332 in words is "one trillion, one billion, two million, two hundred thirteen thousand, three hundred thirty-two".