102221022012221 has 8 divisors (see below), whose sum is σ = 116832422021184. Its totient is φ = 87611721219360.

The previous prime is 102221022012211. The next prime is 102221022012271. The reversal of 102221022012221 is 122210220122201.

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 102221022012221 - 2⁶ = 102221022012157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102221022012193 and 102221022012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221022012211) 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, 524699675 + ... + 524894456.

It is an arithmetic number, because the mean of its divisors is an integer number (14604052752648).

Almost surely, 2^{102221022012221} is an apocalyptic number.

It is an amenable number.

102221022012221 is a deficient number, since it is larger than the sum of its proper divisors (14611400008963).

102221022012221 is a wasteful number, since it uses less digits than its factorization.

102221022012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049608051.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102221022012221 its reverse (122210220122201), we get a palindrome (224431242134422).

The spelling of 102221022012221 in words is "one hundred two trillion, two hundred twenty-one billion, twenty-two million, twelve thousand, two hundred twenty-one".