201012221101 has 32 divisors (see below), whose sum is σ = 214982449920. Its totient is φ = 187525138944.

The previous prime is 201012221057. The next prime is 201012221173. The reversal of 201012221101 is 101122210102.

201012221101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201012221101 - 2¹¹ = 201012219053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012251101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248469585 + ... + 248470393.

It is an arithmetic number, because the mean of its divisors is an integer number (6718201560).

Almost surely, 2^201012221101 is an apocalyptic number.

It is an amenable number.

201012221101 is a deficient number, since it is larger than the sum of its proper divisors (13970228819).

201012221101 is a wasteful number, since it uses less digits than its factorization.

201012221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201012221101 its reverse (101122210102), we get a palindrome (302134431203).

The spelling of 201012221101 in words is "two hundred one billion, twelve million, two hundred twenty-one thousand, one hundred one".