1000111111122 has 32 divisors (see below), whose sum is σ = 2046423456000. Its totient is φ = 325757173248.

The previous prime is 1000111111067. The next prime is 1000111111141. The reversal of 1000111111122 is 2211111110001.

It is a junction number, because it is equal to n+sod(n) for n = 1000111111098 and 1000111111107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10829997 + ... + 10921952.

It is an arithmetic number, because the mean of its divisors is an integer number (63950733000).

Almost surely, 2^{1000111111122} is an apocalyptic number.

1000111111122 is an abundant number, since it is smaller than the sum of its proper divisors (1046312344878).

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

1000111111122 is a wasteful number, since it uses less digits than its factorization.

1000111111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21752130.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1000111111122 its reverse (2211111110001), we get a palindrome (3211222221123).

The spelling of 1000111111122 in words is "one trillion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-two".