201020020011121 has 8 divisors (see below), whose sum is σ = 201214659980160. Its totient is φ = 200825427686352.

The previous prime is 201020020011119. The next prime is 201020020011191. The reversal of 201020020011121 is 121110020020102.

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 201020020011121 - 2¹ = 201020020011119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201020020011191) 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, 3465715 + ... + 20348248.

It is an arithmetic number, because the mean of its divisors is an integer number (25151832497520).

Almost surely, 2^{201020020011121} is an apocalyptic number.

It is an amenable number.

201020020011121 is a deficient number, since it is larger than the sum of its proper divisors (194639969039).

201020020011121 is a wasteful number, since it uses less digits than its factorization.

201020020011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23822135.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201020020011121 its reverse (121110020020102), we get a palindrome (322130040031223).

The spelling of 201020020011121 in words is "two hundred one trillion, twenty billion, twenty million, eleven thousand, one hundred twenty-one".