201101220202121 has 8 divisors (see below), whose sum is σ = 201116307047424. Its totient is φ = 201086133817680.

The previous prime is 201101220202079. The next prime is 201101220202123. The reversal of 201101220202121 is 121202022101102.

201101220202121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201101220202121 - 2⁴⁶ = 130732476024457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201101220202121.

It is not an unprimeable number, because it can be changed into a prime (201101220202123) 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, 1880152775 + ... + 1880259731.

It is an arithmetic number, because the mean of its divisors is an integer number (25139538380928).

Almost surely, 2^{201101220202121} is an apocalyptic number.

It is an amenable number.

201101220202121 is a deficient number, since it is larger than the sum of its proper divisors (15086845303).

201101220202121 is a wasteful number, since it uses less digits than its factorization.

201101220202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230431.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201101220202121 its reverse (121202022101102), we get a palindrome (322303242303223).

The spelling of 201101220202121 in words is "two hundred one trillion, one hundred one billion, two hundred twenty million, two hundred two thousand, one hundred twenty-one".