102220120122122 has 8 divisors (see below), whose sum is σ = 153694384887972. Its totient is φ = 50988658492800.

The previous prime is 102220120122083. The next prime is 102220120122163. The reversal of 102220120122122 is 221221021022201.

It can be written as a sum of positive squares in 2 ways, for example, as 58978698298081 + 43241421824041 = 7679759^2 + 6575821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102220120122094 and 102220120122103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60700783079 + ... + 60700784762.

Almost surely, 2^{102220120122122} is an apocalyptic number.

102220120122122 is a deficient number, since it is larger than the sum of its proper divisors (51474264765850).

102220120122122 is a wasteful number, since it uses less digits than its factorization.

102220120122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121401568264.

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

Adding to 102220120122122 its reverse (221221021022201), we get a palindrome (323441141144323).

The spelling of 102220120122122 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".