210000010112001 has 24 divisors (see below), whose sum is σ = 311647401913640. Its totient is φ = 136165565362176.

The previous prime is 210000010111973. The next prime is 210000010112017. The reversal of 210000010112001 is 100211010000012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 67572493622001 + 142427516490000 = 8220249^2 + 11934300^2 .

It is not a de Polignac number, because 210000010112001 - 2⁶ = 210000010111937 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 (210000010132001) 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, 116365750 + ... + 118156623.

Almost surely, 2^{210000010112001} is an apocalyptic number.

It is an amenable number.

210000010112001 is a deficient number, since it is larger than the sum of its proper divisors (101647391801639).

210000010112001 is a wasteful number, since it uses less digits than its factorization.

210000010112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234525105 (or 234525102 counting only the distinct ones).

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

Adding to 210000010112001 its reverse (100211010000012), we get a palindrome (310211020112013).

The spelling of 210000010112001 in words is "two hundred ten trillion, ten million, one hundred twelve thousand, one".