2021011101112 has 16 divisors (see below), whose sum is σ = 3824810730360. Its totient is φ = 1001061573024.

The previous prime is 2021011101047. The next prime is 2021011101113. The reversal of 2021011101112 is 2111011101202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021011101092 and 2021011101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021011101113) 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, 1180496283 + ... + 1180497994.

Almost surely, 2^{2021011101112} is an apocalyptic number.

It is an amenable number.

2021011101112 is a deficient number, since it is larger than the sum of its proper divisors (1803799629248).

2021011101112 is a wasteful number, since it uses less digits than its factorization.

2021011101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360994390 (or 2360994386 counting only the distinct ones).

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

Adding to 2021011101112 its reverse (2111011101202), we get a palindrome (4132022202314).

The spelling of 2021011101112 in words is "two trillion, twenty-one billion, eleven million, one hundred one thousand, one hundred twelve".