1122101111111 has 8 divisors (see below), whose sum is σ = 1148219952000. Its totient is φ = 1095983336952.

The previous prime is 1122101111099. The next prime is 1122101111129. The reversal of 1122101111111 is 1111111012211.

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 1122101111111 - 2¹⁰ = 1122101110087 is a prime.

It is a super-2 number, since 2×1122101111111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

1122101111111 is a modest number, since divided by 1111111 gives 112210 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122101110111) 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, 2104046 + ... + 2582868.

It is an arithmetic number, because the mean of its divisors is an integer number (143527494000).

Almost surely, 2^{1122101111111} is an apocalyptic number.

1122101111111 is a deficient number, since it is larger than the sum of its proper divisors (26118840889).

1122101111111 is an equidigital number, since it uses as much as digits as its factorization.

1122101111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533365.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 1122101111111 its reverse (1111111012211), we get a palindrome (2233212123322).

The spelling of 1122101111111 in words is "one trillion, one hundred twenty-two billion, one hundred one million, one hundred eleven thousand, one hundred eleven".