1001113231222 has 16 divisors (see below), whose sum is σ = 1617869130192. Its totient is φ = 461856198240.

The previous prime is 1001113231207. The next prime is 1001113231243. The reversal of 1001113231222 is 2221323111001.

It is a super-2 number, since 2×1001113231222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001113231222.

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, 8106804 + ... + 8229367.

It is an arithmetic number, because the mean of its divisors is an integer number (101116820637).

Almost surely, 2^{1001113231222} is an apocalyptic number.

1001113231222 is a deficient number, since it is larger than the sum of its proper divisors (616755898970).

1001113231222 is a wasteful number, since it uses less digits than its factorization.

1001113231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16338543.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1001113231222 its reverse (2221323111001), we get a palindrome (3222436342223).

It can be divided in two parts, 100111 and 3231222, that added together give a palindrome (3331333).

The spelling of 1001113231222 in words is "one trillion, one billion, one hundred thirteen million, two hundred thirty-one thousand, two hundred twenty-two".