201102001121201 has 4 divisors (see below), whose sum is σ = 204398755238004. Its totient is φ = 197805247004400.

The previous prime is 201102001121173. The next prime is 201102001121227. The reversal of 201102001121201 is 102121100201102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4465212741025 + 196636788380176 = 2113105^2 + 14022724^2 .

It is a cyclic number.

It is not a de Polignac number, because 201102001121201 - 2²⁶ = 201101934012337 is a prime.

It is a super-2 number, since 2×201102001121201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201102001141201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648377058310 + ... + 1648377058431.

It is an arithmetic number, because the mean of its divisors is an integer number (51099688809501).

Almost surely, 2^{201102001121201} is an apocalyptic number.

It is an amenable number.

201102001121201 is a deficient number, since it is larger than the sum of its proper divisors (3296754116803).

201102001121201 is an equidigital number, since it uses as much as digits as its factorization.

201102001121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296754116802.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201102001121201 its reverse (102121100201102), we get a palindrome (303223101322303).

The spelling of 201102001121201 in words is "two hundred one trillion, one hundred two billion, one million, one hundred twenty-one thousand, two hundred one".