201101210120001 has 4 divisors (see below), whose sum is σ = 268134946826672. Its totient is φ = 134067473413332.

The previous prime is 201101210119987. The next prime is 201101210120047. The reversal of 201101210120001 is 100021012101102.

201101210120001 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201101210120001 - 2¹⁴ = 201101210103617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201101210120051) 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, 33516868353331 + ... + 33516868353336.

It is an arithmetic number, because the mean of its divisors is an integer number (67033736706668).

Almost surely, 2^{201101210120001} is an apocalyptic number.

It is an amenable number.

201101210120001 is a deficient number, since it is larger than the sum of its proper divisors (67033736706671).

201101210120001 is an equidigital number, since it uses as much as digits as its factorization.

201101210120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67033736706670.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201101210120001 its reverse (100021012101102), we get a palindrome (301122222221103).

The spelling of 201101210120001 in words is "two hundred one trillion, one hundred one billion, two hundred ten million, one hundred twenty thousand, one".