1010111212112 has 20 divisors (see below), whose sum is σ = 2004824388756. Its totient is φ = 492737176320.

The previous prime is 1010111212111. The next prime is 1010111212129. The reversal of 1010111212112 is 2112121110101.

It can be written as a sum of positive squares in 2 ways, for example, as 69979295296 + 940131916816 = 264536^2 + 969604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010111212111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769901183 + ... + 769902494.

Almost surely, 2^{1010111212112} is an apocalyptic number.

It is an amenable number.

1010111212112 is a deficient number, since it is larger than the sum of its proper divisors (994713176644).

1010111212112 is a wasteful number, since it uses less digits than its factorization.

1010111212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539803726 (or 1539803720 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1010111212112 its reverse (2112121110101), we get a palindrome (3122232322213).

The spelling of 1010111212112 in words is "one trillion, ten billion, one hundred eleven million, two hundred twelve thousand, one hundred twelve".