210001210101101 has 16 divisors (see below), whose sum is σ = 228688402291200. Its totient is φ = 192078184511808.

The previous prime is 210001210101047. The next prime is 210001210101119. The reversal of 210001210101101 is 101101012100012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210001210101101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001210101131) 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, 608036 + ... + 20502978.

It is an arithmetic number, because the mean of its divisors is an integer number (14293025143200).

Almost surely, 2^{210001210101101} is an apocalyptic number.

It is an amenable number.

210001210101101 is a deficient number, since it is larger than the sum of its proper divisors (18687192190099).

210001210101101 is a wasteful number, since it uses less digits than its factorization.

210001210101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19914148.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210001210101101 its reverse (101101012100012), we get a palindrome (311102222201113).

The spelling of 210001210101101 in words is "two hundred ten trillion, one billion, two hundred ten million, one hundred one thousand, one hundred one".