201012211020011 has 4 divisors (see below), whose sum is σ = 201254686546800. Its totient is φ = 200769735493224.

The previous prime is 201012211019957. The next prime is 201012211020017. The reversal of 201012211020011 is 110020112210102.

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

It is a cyclic number.

It is not a de Polignac number, because 201012211020011 - 2¹⁰ = 201012211018987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201012211020017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121237762151 + ... + 121237763808.

It is an arithmetic number, because the mean of its divisors is an integer number (50313671636700).

Almost surely, 2^{201012211020011} is an apocalyptic number.

201012211020011 is a deficient number, since it is larger than the sum of its proper divisors (242475526789).

201012211020011 is an equidigital number, since it uses as much as digits as its factorization.

201012211020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242475526788.

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

Adding to 201012211020011 its reverse (110020112210102), we get a palindrome (311032323230113).

The spelling of 201012211020011 in words is "two hundred one trillion, twelve billion, two hundred eleven million, twenty thousand, eleven".