210112010001 has 24 divisors (see below), whose sum is σ = 312693690920. Its totient is φ = 135853376256.

The previous prime is 210112009999. The next prime is 210112010021. The reversal of 210112010001 is 100010211012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20678152401 + 189433857600 = 143799^2 + 435240^2 .

It is not a de Polignac number, because 210112010001 - 2¹ = 210112009999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210112010021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 903706 + ... + 1112163.

Almost surely, 2^210112010001 is an apocalyptic number.

It is an amenable number.

210112010001 is a deficient number, since it is larger than the sum of its proper divisors (102581680919).

210112010001 is a wasteful number, since it uses less digits than its factorization.

210112010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016225 (or 2016222 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 210112010001 its reverse (100010211012), we get a palindrome (310122221013).

It can be divided in two parts, 210 and 112010001, that added together give a palindrome (112010211).

The spelling of 210112010001 in words is "two hundred ten billion, one hundred twelve million, ten thousand, one".