102122102221 has 8 divisors (see below), whose sum is σ = 104691775104. Its totient is φ = 99556186080.

The previous prime is 102122102213. The next prime is 102122102231. The reversal of 102122102221 is 122201221201.

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 102122102221 - 2³ = 102122102213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102122102195 and 102122102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122102231) 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, 884095 + ... + 992908.

It is an arithmetic number, because the mean of its divisors is an integer number (13086471888).

Almost surely, 2^102122102221 is an apocalyptic number.

It is an amenable number.

102122102221 is a deficient number, since it is larger than the sum of its proper divisors (2569672883).

102122102221 is a wasteful number, since it uses less digits than its factorization.

102122102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878371.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102122102221 its reverse (122201221201), we get a palindrome (224323323422).

The spelling of 102122102221 in words is "one hundred two billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty-one".