2011101021112 has 8 divisors (see below), whose sum is σ = 3770814414600. Its totient is φ = 1005550510552.

The previous prime is 2011101021079. The next prime is 2011101021121. The reversal of 2011101021112 is 2111201011102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2011101021092 and 2011101021101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125693813812 + ... + 125693813827.

It is an arithmetic number, because the mean of its divisors is an integer number (471351801825).

Almost surely, 2^{2011101021112} is an apocalyptic number.

It is an amenable number.

2011101021112 is a deficient number, since it is larger than the sum of its proper divisors (1759713393488).

2011101021112 is a wasteful number, since it uses less digits than its factorization.

2011101021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251387627645 (or 251387627641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2011101021112 its reverse (2111201011102), we get a palindrome (4122302032214).

The spelling of 2011101021112 in words is "two trillion, eleven billion, one hundred one million, twenty-one thousand, one hundred twelve".