1001002201222 has 16 divisors (see below), whose sum is σ = 1507390663680. Its totient is φ = 498541966272.

The previous prime is 1001002201193. The next prime is 1001002201289. The reversal of 1001002201222 is 2221022001001.

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, 225798 + ... + 1432825.

It is an arithmetic number, because the mean of its divisors is an integer number (94211916480).

Almost surely, 2^{1001002201222} is an apocalyptic number.

1001002201222 is a deficient number, since it is larger than the sum of its proper divisors (506388462458).

1001002201222 is a wasteful number, since it uses less digits than its factorization.

1001002201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659807.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1001002201222 its reverse (2221022001001), we get a palindrome (3222024202223).

The spelling of 1001002201222 in words is "one trillion, one billion, two million, two hundred one thousand, two hundred twenty-two".