1002021120222 has 16 divisors (see below), whose sum is σ = 2005836382992. Its totient is φ = 333708016320.

The previous prime is 1002021120181. The next prime is 1002021120301. The reversal of 1002021120222 is 2220211202001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74748679 + ... + 74762082.

It is an arithmetic number, because the mean of its divisors is an integer number (125364773937).

Almost surely, 2^{1002021120222} is an apocalyptic number.

1002021120222 is an abundant number, since it is smaller than the sum of its proper divisors (1003815262770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002021120222 is a wasteful number, since it uses less digits than its factorization.

1002021120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149511883.

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

Adding to 1002021120222 its reverse (2220211202001), we get a palindrome (3222232322223).

The spelling of 1002021120222 in words is "one trillion, two billion, twenty-one million, one hundred twenty thousand, two hundred twenty-two".