201212221000101 has 32 divisors (see below), whose sum is σ = 281675884492800. Its totient is φ = 127517322064704.

The previous prime is 201212221000093. The next prime is 201212221000103. The reversal of 201212221000101 is 101000122212102.

It is not a de Polignac number, because 201212221000101 - 2³ = 201212221000093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212221000103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60761050 + ... + 63986948.

It is an arithmetic number, because the mean of its divisors is an integer number (8802371390400).

Almost surely, 2^{201212221000101} is an apocalyptic number.

It is an amenable number.

201212221000101 is a deficient number, since it is larger than the sum of its proper divisors (80463663492699).

201212221000101 is a wasteful number, since it uses less digits than its factorization.

201212221000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231505.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201212221000101 its reverse (101000122212102), we get a palindrome (302212343212203).

The spelling of 201212221000101 in words is "two hundred one trillion, two hundred twelve billion, two hundred twenty-one million, one hundred one", and thus it is an aban number.