201121002002001 has 16 divisors (see below), whose sum is σ = 268455589606400. Its totient is φ = 133933543873488.

The previous prime is 201121002001963. The next prime is 201121002002059. The reversal of 201121002002001 is 100200200121102.

201121002002001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201121002002001 - 2¹⁰ = 201121002000977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201121002002801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379260900 + ... + 379790826.

It is an arithmetic number, because the mean of its divisors is an integer number (16778474350400).

Almost surely, 2^{201121002002001} is an apocalyptic number.

It is an amenable number.

201121002002001 is a deficient number, since it is larger than the sum of its proper divisors (67334587604399).

201121002002001 is a wasteful number, since it uses less digits than its factorization.

201121002002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668508.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201121002002001 its reverse (100200200121102), we get a palindrome (301321202123103).

The spelling of 201121002002001 in words is "two hundred one trillion, one hundred twenty-one billion, two million, two thousand, one".