201001012211101 has 8 divisors (see below), whose sum is σ = 201041393576760. Its totient is φ = 200960632631808.

The previous prime is 201001012210981. The next prime is 201001012211123. The reversal of 201001012211101 is 101112210100102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 138083039763876 + 62917972447225 = 11750874^2 + 7932085^2 .

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 201001012211101 - 2³³ = 200992422276509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001012211191) 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, 237246495 + ... + 238092211.

It is an arithmetic number, because the mean of its divisors is an integer number (25130174197095).

Almost surely, 2^{201001012211101} is an apocalyptic number.

It is an amenable number.

201001012211101 is a deficient number, since it is larger than the sum of its proper divisors (40381365659).

201001012211101 is an equidigital number, since it uses as much as digits as its factorization.

201001012211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893183.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201001012211101 its reverse (101112210100102), we get a palindrome (302113222311203).

The spelling of 201001012211101 in words is "two hundred one trillion, one billion, twelve million, two hundred eleven thousand, one hundred one".