1111101322120 has 16 divisors (see below), whose sum is σ = 2499977974860. Its totient is φ = 444440528832.

The previous prime is 1111101322103. The next prime is 1111101322129. The reversal of 1111101322120 is 212231011111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 983639469796 + 127461852324 = 991786^2 + 357018^2 .

It is a super-2 number, since 2×1111101322120² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111101322094 and 1111101322103.

It is not an unprimeable number, because it can be changed into a prime (1111101322129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13888766487 + ... + 13888766566.

Almost surely, 2^{1111101322120} is an apocalyptic number.

1111101322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111101322120 is an abundant number, since it is smaller than the sum of its proper divisors (1388876652740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111101322120 is a wasteful number, since it uses less digits than its factorization.

1111101322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27777533064 (or 27777533060 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111101322120 its reverse (212231011111), we get a palindrome (1323332333231).

The spelling of 1111101322120 in words is "one trillion, one hundred eleven billion, one hundred one million, three hundred twenty-two thousand, one hundred twenty".