2021011110112 has 24 divisors (see below), whose sum is σ = 3978966458376. Its totient is φ = 1010479946112.

The previous prime is 2021011110103. The next prime is 2021011110113. The reversal of 2021011110112 is 2110111101202.

It is a happy number.

It is a super-2 number, since 2×2021011110112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021011110092 and 2021011110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021011110113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515418 + ... + 2075494.

It is an arithmetic number, because the mean of its divisors is an integer number (165790269099).

Almost surely, 2^{2021011110112} is an apocalyptic number.

It is an amenable number.

2021011110112 is a deficient number, since it is larger than the sum of its proper divisors (1957955348264).

2021011110112 is a wasteful number, since it uses less digits than its factorization.

2021011110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600570 (or 1600562 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2021011110112 its reverse (2110111101202), we get a palindrome (4131122211314).

The spelling of 2021011110112 in words is "two trillion, twenty-one billion, eleven million, one hundred ten thousand, one hundred twelve".