1001001101002 has 48 divisors (see below), whose sum is σ = 1888737429888. Its totient is φ = 395174371200.

The previous prime is 1001001100961. The next prime is 1001001101003. The reversal of 1001001101002 is 2001011001001.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (1001001101003) 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, 6313624 + ... + 6470227.

It is an arithmetic number, because the mean of its divisors is an integer number (39348696456).

Almost surely, 2^{1001001101002} is an apocalyptic number.

1001001101002 is a deficient number, since it is larger than the sum of its proper divisors (887736328886).

1001001101002 is a wasteful number, since it uses less digits than its factorization.

1001001101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12783931 (or 12783924 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1001001101002 its reverse (2001011001001), we get a palindrome (3002012102003).

The spelling of 1001001101002 in words is "one trillion, one billion, one million, one hundred one thousand, two".