2021101002112 has 16 divisors (see below), whose sum is σ = 4026412152900. Its totient is φ = 1010550500992.

The previous prime is 2021101002091. The next prime is 2021101002119. The reversal of 2021101002112 is 2112001011202.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 2021101002092 and 2021101002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021101002119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7894925662 + ... + 7894925917.

Almost surely, 2^{2021101002112} is an apocalyptic number.

It is an amenable number.

2021101002112 is a deficient number, since it is larger than the sum of its proper divisors (2005311150788).

2021101002112 is an equidigital number, since it uses as much as digits as its factorization.

2021101002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789851593 (or 15789851581 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021101002112 its reverse (2112001011202), we get a palindrome (4133102013314).

The spelling of 2021101002112 in words is "two trillion, twenty-one billion, one hundred one million, two thousand, one hundred twelve".