2021122100112 has 40 divisors (see below), whose sum is σ = 5221323626400. Its totient is φ = 673695555840.

The previous prime is 2021122100077. The next prime is 2021122100171. The reversal of 2021122100112 is 2110012211202.

It is a super-2 number, since 2×2021122100112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021122100091 and 2021122100100.

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, 2652412 + ... + 3328292.

It is an arithmetic number, because the mean of its divisors is an integer number (130533090660).

Almost surely, 2^{2021122100112} is an apocalyptic number.

It is an amenable number.

2021122100112 is an abundant number, since it is smaller than the sum of its proper divisors (3200201526288).

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

2021122100112 is a wasteful number, since it uses less digits than its factorization.

2021122100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738191 (or 738185 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2021122100112 its reverse (2110012211202), we get a palindrome (4131134311314).

The spelling of 2021122100112 in words is "two trillion, twenty-one billion, one hundred twenty-two million, one hundred thousand, one hundred twelve".