201210010121101 has 8 divisors (see below), whose sum is σ = 202037183449400. Its totient is φ = 200384198396928.

The previous prime is 201210010121089. The next prime is 201210010121119. The reversal of 201210010121101 is 101121010012102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29955359976201 + 171254650144900 = 5473149^2 + 13086430^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201210010121101 - 2⁵ = 201210010121069 is a prime.

It is a super-3 number, since 3×201210010121101³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210010121171) 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, 340104876 + ... + 340695973.

It is an arithmetic number, because the mean of its divisors is an integer number (25254647931175).

Almost surely, 2^{201210010121101} is an apocalyptic number.

It is an amenable number.

201210010121101 is a deficient number, since it is larger than the sum of its proper divisors (827173328299).

201210010121101 is an equidigital number, since it uses as much as digits as its factorization.

201210010121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680802063.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201210010121101 its reverse (101121010012102), we get a palindrome (302331020133203).

The spelling of 201210010121101 in words is "two hundred one trillion, two hundred ten billion, ten million, one hundred twenty-one thousand, one hundred one".