1002222121102 has 16 divisors (see below), whose sum is σ = 1558488028032. Its totient is φ = 482864866560.

The previous prime is 1002222121097. The next prime is 1002222121163. The reversal of 1002222121102 is 2011212222001.

It is a happy number.

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, 34674123 + ... + 34703014.

It is an arithmetic number, because the mean of its divisors is an integer number (97405501752).

Almost surely, 2^{1002222121102} is an apocalyptic number.

1002222121102 is a deficient number, since it is larger than the sum of its proper divisors (556265906930).

1002222121102 is a wasteful number, since it uses less digits than its factorization.

1002222121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69377403.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1002222121102 its reverse (2011212222001), we get a palindrome (3013434343103).

The spelling of 1002222121102 in words is "one trillion, two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred two".