210201000110001 has 24 divisors (see below), whose sum is σ = 321485535174024. Its totient is φ = 131890145587200.

The previous prime is 210201000109939. The next prime is 210201000110029. The reversal of 210201000110001 is 100011000102012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51044608991601 + 159156391118400 = 7144551^2 + 12615720^2 .

It is not a de Polignac number, because 210201000110001 - 2¹⁰ = 210201000108977 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (210201000110081) 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, 27199545 + ... + 34061961.

It is an arithmetic number, because the mean of its divisors is an integer number (13395230632251).

Almost surely, 2^{210201000110001} is an apocalyptic number.

It is an amenable number.

210201000110001 is a deficient number, since it is larger than the sum of its proper divisors (111284535064023).

210201000110001 is a wasteful number, since it uses less digits than its factorization.

210201000110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7062641 (or 7062638 counting only the distinct ones).

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

Adding to 210201000110001 its reverse (100011000102012), we get a palindrome (310212000212013).

The spelling of 210201000110001 in words is "two hundred ten trillion, two hundred one billion, one hundred ten thousand, one".