1000111012122 has 16 divisors (see below), whose sum is σ = 2010273393600. Its totient is φ = 331695109152.

The previous prime is 1000111012111. The next prime is 1000111012139. The reversal of 1000111012122 is 2212101110001.

It is a junction number, because it is equal to n+sod(n) for n = 1000111012098 and 1000111012107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418805763 + ... + 418808150.

It is an arithmetic number, because the mean of its divisors is an integer number (125642087100).

Almost surely, 2^{1000111012122} is an apocalyptic number.

1000111012122 is an abundant number, since it is smaller than the sum of its proper divisors (1010162381478).

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

1000111012122 is a wasteful number, since it uses less digits than its factorization.

1000111012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837614117.

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

Adding to 1000111012122 its reverse (2212101110001), we get a palindrome (3212212122123).

The spelling of 1000111012122 in words is "one trillion, one hundred eleven million, twelve thousand, one hundred twenty-two".