201210122111101 has 8 divisors (see below), whose sum is σ = 201624054741504. Its totient is φ = 200796206294880.

The previous prime is 201210122111083. The next prime is 201210122111107. The reversal of 201210122111101 is 101111221012102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201210122111101 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 (201210122111107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19896420 + ... + 28253986.

It is an arithmetic number, because the mean of its divisors is an integer number (25203006842688).

Almost surely, 2^{201210122111101} is an apocalyptic number.

It is an amenable number.

201210122111101 is a deficient number, since it is larger than the sum of its proper divisors (413932630403).

201210122111101 is an equidigital number, since it uses as much as digits as its factorization.

201210122111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8407091.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 201210122111101 its reverse (101111221012102), we get a palindrome (302321343123203).

The spelling of 201210122111101 in words is "two hundred one trillion, two hundred ten billion, one hundred twenty-two million, one hundred eleven thousand, one hundred one".