2021210221112 has 16 divisors (see below), whose sum is σ = 3789840079800. Its totient is φ = 1010586199840.

The previous prime is 2021210221091. The next prime is 2021210221159. The reversal of 2021210221112 is 2111220121202.

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 in 3 ways as a sum of consecutive naturals, for example, 1904339 + ... + 2769282.

Almost surely, 2^{2021210221112} is an apocalyptic number.

It is an amenable number.

2021210221112 is a deficient number, since it is larger than the sum of its proper divisors (1768629858688).

2021210221112 is a wasteful number, since it uses less digits than its factorization.

2021210221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727686 (or 4727682 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021210221112 its reverse (2111220121202), we get a palindrome (4132430342314).

The spelling of 2021210221112 in words is "two trillion, twenty-one billion, two hundred ten million, two hundred twenty-one thousand, one hundred twelve".