1002022021222 has 8 divisors (see below), whose sum is σ = 1503038383272. Its totient is φ = 501009226800.

The previous prime is 1002022021219. The next prime is 1002022021237. The reversal of 1002022021222 is 2221202202001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1002022021196 and 1002022021205.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 18804 + ... + 1415767.

It is an arithmetic number, because the mean of its divisors is an integer number (187879797909).

Almost surely, 2^{1002022021222} is an apocalyptic number.

1002022021222 is a deficient number, since it is larger than the sum of its proper divisors (501016362050).

1002022021222 is a wasteful number, since it uses less digits than its factorization.

1002022021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783814.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1002022021222 its reverse (2221202202001), we get a palindrome (3223224223223).

The spelling of 1002022021222 in words is "one trillion, two billion, twenty-two million, twenty-one thousand, two hundred twenty-two".