20210122101112 has 128 divisors (see below), whose sum is σ = 39435722726400. Its totient is φ = 9704099801088.

The previous prime is 20210122101109. The next prime is 20210122101121. The reversal of 20210122101112 is 21110122101202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2393709163 + ... + 2393717605.

It is an arithmetic number, because the mean of its divisors is an integer number (308091583800).

Almost surely, 2^{20210122101112} is an apocalyptic number.

It is an amenable number.

20210122101112 is a deficient number, since it is larger than the sum of its proper divisors (19225600625288).

20210122101112 is a wasteful number, since it uses less digits than its factorization.

20210122101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125 (or 9121 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20210122101112 its reverse (21110122101202), we get a palindrome (41320244202314).

The spelling of 20210122101112 in words is "twenty trillion, two hundred ten billion, one hundred twenty-two million, one hundred one thousand, one hundred twelve".