1001001111002 has 8 divisors (see below), whose sum is σ = 1501636255200. Its totient is φ = 500455692604.

The previous prime is 1001001111001. The next prime is 1001001111017. The reversal of 1001001111002 is 2001111001001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1001001111001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22403552 + ... + 22448187.

It is an arithmetic number, because the mean of its divisors is an integer number (187704531900).

Almost surely, 2^{1001001111002} is an apocalyptic number.

1001001111002 is a deficient number, since it is larger than the sum of its proper divisors (500635144198).

1001001111002 is a wasteful number, since it uses less digits than its factorization.

1001001111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44862900.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001001111002 its reverse (2001111001001), we get a palindrome (3002112112003).

The spelling of 1001001111002 in words is "one trillion, one billion, one million, one hundred eleven thousand, two".