2021121002112 has 32 divisors (see below), whose sum is σ = 5368602662880. Its totient is φ = 673707000576.

The previous prime is 2021121002081. The next prime is 2021121002221. The reversal of 2021121002112 is 2112001211202.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 2021121002091 and 2021121002100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2631667588 + ... + 2631668355.

It is an arithmetic number, because the mean of its divisors is an integer number (167768833215).

Almost surely, 2^{2021121002112} is an apocalyptic number.

It is an amenable number.

2021121002112 is an abundant number, since it is smaller than the sum of its proper divisors (3347481660768).

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

2021121002112 is an equidigital number, since it uses as much as digits as its factorization.

2021121002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263335960 (or 5263335948 counting only the distinct ones).

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

Adding to 2021121002112 its reverse (2112001211202), we get a palindrome (4133122213314).

The spelling of 2021121002112 in words is "two trillion, twenty-one billion, one hundred twenty-one million, two thousand, one hundred twelve".