2002121210222 has 32 divisors (see below), whose sum is σ = 3613471430400. Its totient is φ = 812751565248.

The previous prime is 2002121210149. The next prime is 2002121210231. The reversal of 2002121210222 is 2220121212002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002121210222.

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 15 ways as a sum of consecutive naturals, for example, 910154 + ... + 2198322.

It is an arithmetic number, because the mean of its divisors is an integer number (112920982200).

Almost surely, 2^{2002121210222} is an apocalyptic number.

2002121210222 is a deficient number, since it is larger than the sum of its proper divisors (1611350220178).

2002121210222 is a wasteful number, since it uses less digits than its factorization.

2002121210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294040.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2002121210222 its reverse (2220121212002), we get a palindrome (4222242422224).

The spelling of 2002121210222 in words is "two trillion, two billion, one hundred twenty-one million, two hundred ten thousand, two hundred twenty-two".