1121112310122 has 192 divisors, whose sum is σ = 2873079465984. Its totient is φ = 309266605440.

The previous prime is 1121112310091. The next prime is 1121112310141. The reversal of 1121112310122 is 2210132111211.

It is a happy number.

1121112310122 is a `hidden beast` number, since 1 + 121 + 112 + 310 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1121112310095 and 1121112310104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 755975193 + ... + 755976675.

It is an arithmetic number, because the mean of its divisors is an integer number (14963955552).

Almost surely, 2^{1121112310122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121112310122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436539732992).

1121112310122 is an abundant number, since it is smaller than the sum of its proper divisors (1751967155862).

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

1121112310122 is a wasteful number, since it uses less digits than its factorization.

1121112310122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2670 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1121112310122 its reverse (2210132111211), we get a palindrome (3331244421333).

The spelling of 1121112310122 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, three hundred ten thousand, one hundred twenty-two".