1011001021112 has 16 divisors (see below), whose sum is σ = 1895886450360. Its totient is φ = 505431301024.

The previous prime is 1011001021111. The next prime is 1011001021139. The reversal of 1011001021112 is 2111201001101.

It is a junction number, because it is equal to n+sod(n) for n = 1011001021093 and 1011001021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011001021111) 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, 8589083 + ... + 8705994.

Almost surely, 2^{1011001021112} is an apocalyptic number.

It is an amenable number.

1011001021112 is a deficient number, since it is larger than the sum of its proper divisors (884885429248).

1011001021112 is a wasteful number, since it uses less digits than its factorization.

1011001021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17302390 (or 17302386 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011001021112 its reverse (2111201001101), we get a palindrome (3122202022213).

The spelling of 1011001021112 in words is "one trillion, eleven billion, one million, twenty-one thousand, one hundred twelve".