201210110121 has 8 divisors (see below), whose sum is σ = 268687251360. Its totient is φ = 133936521152.

The previous prime is 201210110113. The next prime is 201210110137. The reversal of 201210110121 is 121011012102.

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 201210110121 - 2³ = 201210110113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201210110097 and 201210110106.

It is not an unprimeable number, because it can be changed into a prime (201210111121) 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, 50885760 + ... + 50889713.

It is an arithmetic number, because the mean of its divisors is an integer number (33585906420).

Almost surely, 2^201210110121 is an apocalyptic number.

It is an amenable number.

201210110121 is a deficient number, since it is larger than the sum of its proper divisors (67477141239).

201210110121 is a wasteful number, since it uses less digits than its factorization.

201210110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101776135.

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

Adding to 201210110121 its reverse (121011012102), we get a palindrome (322221122223).

The spelling of 201210110121 in words is "two hundred one billion, two hundred ten million, one hundred ten thousand, one hundred twenty-one".