1001011120002 has 32 divisors (see below), whose sum is σ = 2235994925760. Its totient is φ = 331941507840.

The previous prime is 1001011119973. The next prime is 1001011120033. The reversal of 1001011120002 is 2000211101001.

It is a happy number.

It is a super-3 number, since 3×1001011120002³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48013524 + ... + 48034367.

It is an arithmetic number, because the mean of its divisors is an integer number (69874841430).

Almost surely, 2^{1001011120002} is an apocalyptic number.

1001011120002 is an abundant number, since it is smaller than the sum of its proper divisors (1234983805758).

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

1001011120002 is a wasteful number, since it uses less digits than its factorization.

1001011120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96048095 (or 96048089 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001011120002 its reverse (2000211101001), we get a palindrome (3001222221003).

The spelling of 1001011120002 in words is "one trillion, one billion, eleven million, one hundred twenty thousand, two".