112000210120021 has 16 divisors (see below), whose sum is σ = 116276767953408. Its totient is φ = 107803121299200.

The previous prime is 112000210120013. The next prime is 112000210120157. The reversal of 112000210120021 is 120021012000211.

It is a cyclic number.

It is not a de Polignac number, because 112000210120021 - 2³ = 112000210120013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112000210119983 and 112000210120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112000210124021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14998621 + ... + 21188653.

It is an arithmetic number, because the mean of its divisors is an integer number (7267297997088).

Almost surely, 2^{112000210120021} is an apocalyptic number.

It is an amenable number.

112000210120021 is a deficient number, since it is larger than the sum of its proper divisors (4276557833387).

112000210120021 is an equidigital number, since it uses as much as digits as its factorization.

112000210120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196452.

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

Adding to 112000210120021 its reverse (120021012000211), we get a palindrome (232021222120232).

The spelling of 112000210120021 in words is "one hundred twelve trillion, two hundred ten million, one hundred twenty thousand, twenty-one".