1001001333100 has 18 divisors (see below), whose sum is σ = 2172172893044. Its totient is φ = 400400533200.

The previous prime is 1001001333083. The next prime is 1001001333109. The reversal of 1001001333100 is 13331001001.

It is a happy number.

It is a super-2 number, since 2×1001001333100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001001333109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5005006566 + ... + 5005006765.

Almost surely, 2^{1001001333100} is an apocalyptic number.

1001001333100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001001333100 is an abundant number, since it is smaller than the sum of its proper divisors (1171171559944).

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

1001001333100 is a wasteful number, since it uses less digits than its factorization.

1001001333100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010013345 (or 10010013338 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 1001001333100 its reverse (13331001001), we get a palindrome (1014332334101).

The spelling of 1001001333100 in words is "one trillion, one billion, one million, three hundred thirty-three thousand, one hundred".