102221221011211 has 8 divisors (see below), whose sum is σ = 102238338351600. Its totient is φ = 102204105112800.

The previous prime is 102221221011197. The next prime is 102221221011289. The reversal of 102221221011211 is 112110122122201.

It is a happy number.

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 102221221011211 - 2¹³ = 102221221003019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221221041211) 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, 146388645 + ... + 147085273.

It is an arithmetic number, because the mean of its divisors is an integer number (12779792293950).

Almost surely, 2^{102221221011211} is an apocalyptic number.

102221221011211 is a deficient number, since it is larger than the sum of its proper divisors (17117340389).

102221221011211 is a wasteful number, since it uses less digits than its factorization.

102221221011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720989.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102221221011211 its reverse (112110122122201), we get a palindrome (214331343133412).

The spelling of 102221221011211 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-one million, eleven thousand, two hundred eleven".