1001222333111 has 48 divisors (see below), whose sum is σ = 1440320031360. Its totient is φ = 682256675520.

The previous prime is 1001222333093. The next prime is 1001222333113. The reversal of 1001222333111 is 1113332221001.

It is a happy number.

It is not a de Polignac number, because 1001222333111 - 2⁶ = 1001222333047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001222333113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3627101 + ... + 3893366.

It is an arithmetic number, because the mean of its divisors is an integer number (30006667320).

Almost surely, 2^{1001222333111} is an apocalyptic number.

1001222333111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001222333111 is a deficient number, since it is larger than the sum of its proper divisors (439097698249).

1001222333111 is a wasteful number, since it uses less digits than its factorization.

1001222333111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520524 (or 7520517 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1001222333111 its reverse (1113332221001), we get a palindrome (2114554554112).

The spelling of 1001222333111 in words is "one trillion, one billion, two hundred twenty-two million, three hundred thirty-three thousand, one hundred eleven".