201012102221 has 8 divisors (see below), whose sum is σ = 229732926144. Its totient is φ = 172292480640.

The previous prime is 201012102209. The next prime is 201012102301. The reversal of 201012102221 is 122201210102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201012102221 - 2²² = 201007907917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012102196 and 201012102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012101221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91826 + ... + 640668.

It is an arithmetic number, because the mean of its divisors is an integer number (28716615768).

Almost surely, 2^201012102221 is an apocalyptic number.

It is an amenable number.

201012102221 is a deficient number, since it is larger than the sum of its proper divisors (28720823923).

201012102221 is an equidigital number, since it uses as much as digits as its factorization.

201012102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601171.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201012102221 its reverse (122201210102), we get a palindrome (323213312323).

The spelling of 201012102221 in words is "two hundred one billion, twelve million, one hundred two thousand, two hundred twenty-one".