102101222001221 has 8 divisors (see below), whose sum is σ = 105517504608000. Its totient is φ = 98692607819520.

The previous prime is 102101222001209. The next prime is 102101222001223. The reversal of 102101222001221 is 122100222101201.

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 102101222001221 - 2⁶ = 102101222001157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102101222001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101222001223) 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, 1917079196 + ... + 1917132453.

It is an arithmetic number, because the mean of its divisors is an integer number (13189688076000).

Almost surely, 2^{102101222001221} is an apocalyptic number.

It is an amenable number.

102101222001221 is a deficient number, since it is larger than the sum of its proper divisors (3416282606779).

102101222001221 is an equidigital number, since it uses as much as digits as its factorization.

102101222001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834212539.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102101222001221 its reverse (122100222101201), we get a palindrome (224201444102422).

The spelling of 102101222001221 in words is "one hundred two trillion, one hundred one billion, two hundred twenty-two million, one thousand, two hundred twenty-one".