210112000020001 has 4 divisors (see below), whose sum is σ = 210112143873412. Its totient is φ = 210111856166592.

The previous prime is 210112000019993. The next prime is 210112000020007. The reversal of 210112000020001 is 100020000211012.

210112000020001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207774235469376 + 2337764550625 = 14414376^2 + 1528975^2 .

It is a cyclic number.

It is not a de Polignac number, because 210112000020001 - 2³ = 210112000019993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210112000020001.

It is not an unprimeable number, because it can be changed into a prime (210112000020007) 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, 69713100 + ... + 72664573.

It is an arithmetic number, because the mean of its divisors is an integer number (52528035968353).

Almost surely, 2^{210112000020001} is an apocalyptic number.

It is an amenable number.

210112000020001 is a deficient number, since it is larger than the sum of its proper divisors (143853411).

210112000020001 is a wasteful number, since it uses less digits than its factorization.

210112000020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143853410.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210112000020001 its reverse (100020000211012), we get a palindrome (310132000231013).

The spelling of 210112000020001 in words is "two hundred ten trillion, one hundred twelve billion, twenty thousand, one".