11112210111001 has 8 divisors (see below), whose sum is σ = 11397860195400. Its totient is φ = 10829374313472.

The previous prime is 11112210110993. The next prime is 11112210111031. The reversal of 11112210111001 is 10011101221111.

It can be written as a sum of positive squares in 4 ways, for example, as 12145142025 + 11100064968976 = 110205^2 + 3331676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112210111001 - 2³ = 11112210110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112210111031) 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 7 ways as a sum of consecutive naturals, for example, 703563720 + ... + 703579513.

It is an arithmetic number, because the mean of its divisors is an integer number (1424732524425).

Almost surely, 2^{11112210111001} is an apocalyptic number.

It is an amenable number.

11112210111001 is a deficient number, since it is larger than the sum of its proper divisors (285650084399).

11112210111001 is a wasteful number, since it uses less digits than its factorization.

11112210111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407143435.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11112210111001 its reverse (10011101221111), we get a palindrome (21123311332112).

The spelling of 11112210111001 in words is "eleven trillion, one hundred twelve billion, two hundred ten million, one hundred eleven thousand, one".