201000112020001 has 6 divisors (see below), whose sum is σ = 233816456839650. Its totient is φ = 172285810302816.

The previous prime is 201000112019957. The next prime is 201000112020011. The reversal of 201000112020001 is 100020211000102.

It can be written as a sum of positive squares in only one way, i.e., 107421284851776 + 93578827168225 = 10364424^2 + 9673615^2 .

It is not a de Polignac number, because 201000112020001 - 2³⁵ = 200965752281633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201000112020001.

It is not an unprimeable number, because it can be changed into a prime (201000112020011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2051021551176 + ... + 2051021551273.

It is an arithmetic number, because the mean of its divisors is an integer number (38969409473275).

Almost surely, 2^{201000112020001} is an apocalyptic number.

It is an amenable number.

201000112020001 is a deficient number, since it is larger than the sum of its proper divisors (32816344819649).

201000112020001 is an equidigital number, since it uses as much as digits as its factorization.

201000112020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102043102463 (or 4102043102456 counting only the distinct ones).

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

Adding to 201000112020001 its reverse (100020211000102), we get a palindrome (301020323020103).

The spelling of 201000112020001 in words is "two hundred one trillion, one hundred twelve million, twenty thousand, one".