201001021002001 has 8 divisors (see below), whose sum is σ = 219384641440800. Its totient is φ = 182635867287840.

The previous prime is 201001021001983. The next prime is 201001021002031. The reversal of 201001021002001 is 100200120100102.

201001021002001 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 201001021002001 - 2²¹ = 201001018904849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201001021002031) 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, 4616658396 + ... + 4616701933.

It is an arithmetic number, because the mean of its divisors is an integer number (27423080180100).

Almost surely, 2^{201001021002001} is an apocalyptic number.

It is an amenable number.

201001021002001 is a deficient number, since it is larger than the sum of its proper divisors (18383620438799).

201001021002001 is a wasteful number, since it uses less digits than its factorization.

201001021002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233362319.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201001021002001 its reverse (100200120100102), we get a palindrome (301201141102103).

It can be divided in two parts, 20100102 and 1002001, that multiplied together give a palindrome (20140322304102).

The spelling of 201001021002001 in words is "two hundred one trillion, one billion, twenty-one million, two thousand, one".