201012103221 has 8 divisors (see below), whose sum is σ = 269944311840. Its totient is φ = 133043981712.

The previous prime is 201012103211. The next prime is 201012103261. The reversal of 201012103221 is 122301210102.

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

It is not a de Polignac number, because 201012103221 - 2⁷ = 201012103093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201012103221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012103211) 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, 241021290 + ... + 241022123.

It is an arithmetic number, because the mean of its divisors is an integer number (33743038980).

Almost surely, 2^201012103221 is an apocalyptic number.

It is an amenable number.

201012103221 is a deficient number, since it is larger than the sum of its proper divisors (68932208619).

201012103221 is a wasteful number, since it uses less digits than its factorization.

201012103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482043555.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201012103221 its reverse (122301210102), we get a palindrome (323313313323).

The spelling of 201012103221 in words is "two hundred one billion, twelve million, one hundred three thousand, two hundred twenty-one".