20210021001112 has 32 divisors (see below), whose sum is σ = 39934743591600. Its totient is φ = 9561997223424.

The previous prime is 20210021001101. The next prime is 20210021001139. The reversal of 20210021001112 is 21110012001202.

It is a junction number, because it is equal to n+sod(n) for n = 20210021001092 and 20210021001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77443053 + ... + 77703580.

Almost surely, 2^{20210021001112} is an apocalyptic number.

It is an amenable number.

20210021001112 is a deficient number, since it is larger than the sum of its proper divisors (19724722590488).

20210021001112 is a wasteful number, since it uses less digits than its factorization.

20210021001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155147515 (or 155147511 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20210021001112 its reverse (21110012001202), we get a palindrome (41320033002314).

The spelling of 20210021001112 in words is "twenty trillion, two hundred ten billion, twenty-one million, one thousand, one hundred twelve".