102221102120022 has 20 divisors (see below), whose sum is σ = 229050988084116. Its totient is φ = 34073700706620.

The previous prime is 102221102119987. The next prime is 102221102120029. The reversal of 102221102120022 is 220021201122201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102221102119977 and 102221102120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221102120029) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 315497228604 + ... + 315497228927.

Almost surely, 2^{102221102120022} is an apocalyptic number.

102221102120022 is an abundant number, since it is smaller than the sum of its proper divisors (126829885964094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102221102120022 is an equidigital number, since it uses as much as digits as its factorization.

102221102120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630994457545 (or 630994457536 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102221102120022 its reverse (220021201122201), we get a palindrome (322242303242223).

The spelling of 102221102120022 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred two million, one hundred twenty thousand, twenty-two".