201101100121201 has 16 divisors (see below), whose sum is σ = 232083073787904. Its totient is φ = 170683900263504.

The previous prime is 201101100121199. The next prime is 201101100121213. The reversal of 201101100121201 is 102121001101102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201101100121201 - 2¹ = 201101100121199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201101100121501) 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, 59287945 + ... + 62588038.

It is an arithmetic number, because the mean of its divisors is an integer number (14505192111744).

Almost surely, 2^{201101100121201} is an apocalyptic number.

It is an amenable number.

201101100121201 is a deficient number, since it is larger than the sum of its proper divisors (30981973666703).

201101100121201 is a wasteful number, since it uses less digits than its factorization.

201101100121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121878300.

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

Adding to 201101100121201 its reverse (102121001101102), we get a palindrome (303222101222303).

The spelling of 201101100121201 in words is "two hundred one trillion, one hundred one billion, one hundred million, one hundred twenty-one thousand, two hundred one".