1002111121002 has 8 divisors (see below), whose sum is σ = 2004222242016. Its totient is φ = 334037040332.

The previous prime is 1002111120991. The next prime is 1002111121007. The reversal of 1002111121002 is 2001211112001.

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

1002111121002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1002111121007) 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, 83509260078 + ... + 83509260089.

It is an arithmetic number, because the mean of its divisors is an integer number (250527780252).

Almost surely, 2^{1002111121002} is an apocalyptic number.

1002111121002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1002111121002 is a wasteful number, since it uses less digits than its factorization.

1002111121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167018520172.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1002111121002 its reverse (2001211112001), we get a palindrome (3003322233003).

Subtracting 1002111121002 from its reverse (2001211112001), we obtain a palindrome (999099990999).

The spelling of 1002111121002 in words is "one trillion, two billion, one hundred eleven million, one hundred twenty-one thousand, two".