211102202201221 has 8 divisors (see below), whose sum is σ = 213785386380800. Its totient is φ = 208419293131920.

The previous prime is 211102202201213. The next prime is 211102202201237. The reversal of 211102202201221 is 122102202201112.

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

It is a cyclic number.

It is not a de Polignac number, because 211102202201221 - 2³ = 211102202201213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102202201321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67232925 + ... + 70302706.

It is an arithmetic number, because the mean of its divisors is an integer number (26723173297600).

Almost surely, 2^{211102202201221} is an apocalyptic number.

It is an amenable number.

211102202201221 is a deficient number, since it is larger than the sum of its proper divisors (2683184179579).

211102202201221 is a wasteful number, since it uses less digits than its factorization.

211102202201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137555139.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211102202201221 its reverse (122102202201112), we get a palindrome (333204404402333).

The spelling of 211102202201221 in words is "two hundred eleven trillion, one hundred two billion, two hundred two million, two hundred one thousand, two hundred twenty-one".