201001021112001 has 32 divisors (see below), whose sum is σ = 299497930494336. Its totient is φ = 118846835712000.

The previous prime is 201001021111999. The next prime is 201001021112027. The reversal of 201001021112001 is 100211120100102.

It is not a de Polignac number, because 201001021112001 - 2¹ = 201001021111999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201001021112041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258219741 + ... + 258996981.

It is an arithmetic number, because the mean of its divisors is an integer number (9359310327948).

Almost surely, 2^{201001021112001} is an apocalyptic number.

It is an amenable number.

201001021112001 is a deficient number, since it is larger than the sum of its proper divisors (98496909382335).

201001021112001 is a wasteful number, since it uses less digits than its factorization.

201001021112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968433.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201001021112001 its reverse (100211120100102), we get a palindrome (301212141212103).

The spelling of 201001021112001 in words is "two hundred one trillion, one billion, twenty-one million, one hundred twelve thousand, one".