201020020012001 has 8 divisors (see below), whose sum is σ = 214223000050944. Its totient is φ = 188188954903840.

The previous prime is 201020020011851. The next prime is 201020020012033. The reversal of 201020020012001 is 100210020020102.

It is a happy number.

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

It is not a de Polignac number, because 201020020012001 - 2¹⁰ = 201020020010977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201020020012051) 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, 92978731580 + ... + 92978733741.

It is an arithmetic number, because the mean of its divisors is an integer number (26777875006368).

Almost surely, 2^{201020020012001} is an apocalyptic number.

It is an amenable number.

201020020012001 is a deficient number, since it is larger than the sum of its proper divisors (13202980038943).

201020020012001 is a wasteful number, since it uses less digits than its factorization.

201020020012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185957465391.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201020020012001 its reverse (100210020020102), we get a palindrome (301230040032103).

The spelling of 201020020012001 in words is "two hundred one trillion, twenty billion, twenty million, twelve thousand, one".