1311001222002 has 8 divisors (see below), whose sum is σ = 2622002444016. Its totient is φ = 437000407332.

The previous prime is 1311001221979. The next prime is 1311001222009. The reversal of 1311001222002 is 2002221001131.

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

1311001222002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1311001222009) 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, 109250101828 + ... + 109250101839.

It is an arithmetic number, because the mean of its divisors is an integer number (327750305502).

Almost surely, 2^{1311001222002} is an apocalyptic number.

1311001222002 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.

1311001222002 is a wasteful number, since it uses less digits than its factorization.

1311001222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218500203672.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1311001222002 its reverse (2002221001131), we get a palindrome (3313222223133).

The spelling of 1311001222002 in words is "one trillion, three hundred eleven billion, one million, two hundred twenty-two thousand, two".