1012111122 has 16 divisors (see below), whose sum is σ = 2208242592. Its totient is φ = 306700320.

The previous prime is 1012111091. The next prime is 1012111123. The reversal of 1012111122 is 2211112101.

1012111122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1012111098 and 1012111107.

It is not an unprimeable number, because it can be changed into a prime (1012111123) 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, 7667443 + ... + 7667574.

It is an arithmetic number, because the mean of its divisors is an integer number (138015162).

Almost surely, 2^1012111122 is an apocalyptic number.

1012111122 is an abundant number, since it is smaller than the sum of its proper divisors (1196131470).

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

1012111122 is a wasteful number, since it uses less digits than its factorization.

1012111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15335033.

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

The square root of 1012111122 is about 31813.6939383027. The cubic root of 1012111122 is about 1004.0208517492.

Adding to 1012111122 its reverse (2211112101), we get a palindrome (3223223223).

The spelling of 1012111122 in words is "one billion, twelve million, one hundred eleven thousand, one hundred twenty-two".