1000011001002 has 48 divisors (see below), whose sum is σ = 2259865407168. Its totient is φ = 294317612160.

The previous prime is 1000011000991. The next prime is 1000011001009. The reversal of 1000011001002 is 2001001100001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (1000011001009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21415899 + ... + 21462542.

It is an arithmetic number, because the mean of its divisors is an integer number (47080529316).

Almost surely, 2^{1000011001002} is an apocalyptic number.

1000011001002 is an abundant number, since it is smaller than the sum of its proper divisors (1259854406166).

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

1000011001002 is a wasteful number, since it uses less digits than its factorization.

1000011001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42878495 (or 42878482 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 1000011001002 its reverse (2001001100001), we get a palindrome (3001012101003).

The spelling of 1000011001002 in words is "one trillion, eleven million, one thousand, two".