2021110211112 has 32 divisors (see below), whose sum is σ = 5078424146400. Its totient is φ = 670283587904.

The previous prime is 2021110211101. The next prime is 2021110211143. The reversal of 2021110211112 is 2111120111202.

It is a happy number.

It is a super-2 number, since 2×2021110211112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021110211091 and 2021110211100.

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 7 ways as a sum of consecutive naturals, for example, 213733662 + ... + 213743117.

It is an arithmetic number, because the mean of its divisors is an integer number (158700754575).

Almost surely, 2^{2021110211112} is an apocalyptic number.

It is an amenable number.

2021110211112 is an abundant number, since it is smaller than the sum of its proper divisors (3057313935288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021110211112 is a wasteful number, since it uses less digits than its factorization.

2021110211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427476985 (or 427476981 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2021110211112 its reverse (2111120111202), we get a palindrome (4132230322314).

The spelling of 2021110211112 in words is "two trillion, twenty-one billion, one hundred ten million, two hundred eleven thousand, one hundred twelve".