1001111221022 has 8 divisors (see below), whose sum is σ = 1638181998072. Its totient is φ = 455050555000.

The previous prime is 1001111221013. The next prime is 1001111221051. The reversal of 1001111221022 is 2201221111001.

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 = 1001111220988 and 1001111221006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22752527729 + ... + 22752527772.

It is an arithmetic number, because the mean of its divisors is an integer number (204772749759).

Almost surely, 2^{1001111221022} is an apocalyptic number.

1001111221022 is a deficient number, since it is larger than the sum of its proper divisors (637070777050).

1001111221022 is a wasteful number, since it uses less digits than its factorization.

1001111221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45505055514.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1001111221022 its reverse (2201221111001), we get a palindrome (3202332332023).

The spelling of 1001111221022 in words is "one trillion, one billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".