102021222122 has 8 divisors (see below), whose sum is σ = 153099823872. Its totient is φ = 50987947500.

The previous prime is 102021222101. The next prime is 102021222139. The reversal of 102021222122 is 221222120201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102021222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11326154 + ... + 11335157.

It is an arithmetic number, because the mean of its divisors is an integer number (19137477984).

Almost surely, 2^102021222122 is an apocalyptic number.

102021222122 is a deficient number, since it is larger than the sum of its proper divisors (51078601750).

102021222122 is a wasteful number, since it uses less digits than its factorization.

102021222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22663564.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102021222122 its reverse (221222120201), we get a palindrome (323243342323).

The spelling of 102021222122 in words is "one hundred two billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".