102021022212122 has 8 divisors (see below), whose sum is σ = 164803189727316. Its totient is φ = 47086625636352.

The previous prime is 102021022212107. The next prime is 102021022212199. The reversal of 102021022212122 is 221212220120201.

It can be written as a sum of positive squares in 2 ways, for example, as 100411602672481 + 1609419539641 = 10020559^2 + 1268629^2 .

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 = 102021022212094 and 102021022212103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1961942734823 + ... + 1961942734874.

Almost surely, 2^{102021022212122} is an apocalyptic number.

102021022212122 is a deficient number, since it is larger than the sum of its proper divisors (62782167515194).

102021022212122 is a wasteful number, since it uses less digits than its factorization.

102021022212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923885469712.

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

Adding to 102021022212122 its reverse (221212220120201), we get a palindrome (323233242332323).

The spelling of 102021022212122 in words is "one hundred two trillion, twenty-one billion, twenty-two million, two hundred twelve thousand, one hundred twenty-two".