1122120111 has 8 divisors (see below), whose sum is σ = 1709897344. Its totient is φ = 641211480.

The previous prime is 1122120101. The next prime is 1122120133. The reversal of 1122120111 is 1110212211.

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

It is not a de Polignac number, because 1122120111 - 2⁵ = 1122120079 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 (1122120101) 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, 26717125 + ... + 26717166.

It is an arithmetic number, because the mean of its divisors is an integer number (213737168).

Almost surely, 2^1122120111 is an apocalyptic number.

1122120111 is a deficient number, since it is larger than the sum of its proper divisors (587777233).

1122120111 is an equidigital number, since it uses as much as digits as its factorization.

1122120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53434301.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1122120111 is about 33498.0613021112. The cubic root of 1122120111 is about 1039.1536849448.

Adding to 1122120111 its reverse (1110212211), we get a palindrome (2232332322).

The spelling of 1122120111 in words is "one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred eleven".