1000122221022 has 8 divisors (see below), whose sum is σ = 2000244442056. Its totient is φ = 333374073672.

The previous prime is 1000122221003. The next prime is 1000122221039. The reversal of 1000122221022 is 2201222210001.

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

1000122221022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1000122220992 and 1000122221010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83343518413 + ... + 83343518424.

It is an arithmetic number, because the mean of its divisors is an integer number (250030555257).

Almost surely, 2^{1000122221022} is an apocalyptic number.

1000122221022 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.

1000122221022 is a wasteful number, since it uses less digits than its factorization.

1000122221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166687036842.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1000122221022 its reverse (2201222210001), we get a palindrome (3201344431023).

The spelling of 1000122221022 in words is "one trillion, one hundred twenty-two million, two hundred twenty-one thousand, twenty-two".