811022212002 has 8 divisors (see below), whose sum is σ = 1622044424016. Its totient is φ = 270340737332.

The previous prime is 811022211983. The next prime is 811022212069. The reversal of 811022212002 is 200212220118.

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

811022212002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 811022212002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67585184328 + ... + 67585184339.

It is an arithmetic number, because the mean of its divisors is an integer number (202755553002).

Almost surely, 2^811022212002 is an apocalyptic number.

811022212002 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.

811022212002 is a wasteful number, since it uses less digits than its factorization.

811022212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135170368672.

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 811022212002 in words is "eight hundred eleven billion, twenty-two million, two hundred twelve thousand, two".