2021101021112 has 8 divisors (see below), whose sum is σ = 3789564414600. Its totient is φ = 1010550510552.

The previous prime is 2021101021033. The next prime is 2021101021139. The reversal of 2021101021112 is 2111201011202.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126318813812 + ... + 126318813827.

It is an arithmetic number, because the mean of its divisors is an integer number (473695551825).

Almost surely, 2^{2021101021112} is an apocalyptic number.

It is an amenable number.

2021101021112 is a deficient number, since it is larger than the sum of its proper divisors (1768463393488).

2021101021112 is a wasteful number, since it uses less digits than its factorization.

2021101021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252637627645 (or 252637627641 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2021101021112 its reverse (2111201011202), we get a palindrome (4132302032314).

The spelling of 2021101021112 in words is "two trillion, twenty-one billion, one hundred one million, twenty-one thousand, one hundred twelve".