201001022121001 has 8 divisors (see below), whose sum is σ = 205680060409824. Its totient is φ = 196322192737440.

The previous prime is 201001022120999. The next prime is 201001022121007. The reversal of 201001022121001 is 100121220100102.

201001022121001 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 201001022121001 - 2¹ = 201001022120999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001022121007) 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, 50278756 + ... + 54129061.

It is an arithmetic number, because the mean of its divisors is an integer number (25710007551228).

Almost surely, 2^{201001022121001} is an apocalyptic number.

It is an amenable number.

201001022121001 is a deficient number, since it is larger than the sum of its proper divisors (4679038288823).

201001022121001 is a wasteful number, since it uses less digits than its factorization.

201001022121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104452631.

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

Adding to 201001022121001 its reverse (100121220100102), we get a palindrome (301122242221103).

The spelling of 201001022121001 in words is "two hundred one trillion, one billion, twenty-two million, one hundred twenty-one thousand, one".