1002011222195 has 8 divisors (see below), whose sum is σ = 1204549195536. Its totient is φ = 800185158496.

The previous prime is 1002011222111. The next prime is 1002011222213. The reversal of 1002011222195 is 5912221102001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002011222195 - 2²⁸ = 1001742786739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177974312 + ... + 177979941.

It is an arithmetic number, because the mean of its divisors is an integer number (150568649442).

Almost surely, 2^{1002011222195} is an apocalyptic number.

1002011222195 is a deficient number, since it is larger than the sum of its proper divisors (202537973341).

1002011222195 is an equidigital number, since it uses as much as digits as its factorization.

1002011222195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355954821.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 1002011222195 its reverse (5912221102001), we get a palindrome (6914232324196).

The spelling of 1002011222195 in words is "one trillion, two billion, eleven million, two hundred twenty-two thousand, one hundred ninety-five".