1111222120109 has 8 divisors (see below), whose sum is σ = 1122445444608. Its totient is φ = 1100003131600.

The previous prime is 1111222120097. The next prime is 1111222120123. The reversal of 1111222120109 is 9010212221111.

It is a happy number.

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 1111222120109 - 2³² = 1106927152813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111222120189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567617 + ... + 1595190.

It is an arithmetic number, because the mean of its divisors is an integer number (140305680576).

Almost surely, 2^{1111222120109} is an apocalyptic number.

It is an amenable number.

1111222120109 is a deficient number, since it is larger than the sum of its proper divisors (11223324499).

1111222120109 is a wasteful number, since it uses less digits than its factorization.

1111222120109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167995.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 1111222120109 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred twenty thousand, one hundred nine".