102210212122 has 16 divisors (see below), whose sum is σ = 155366496000. Its totient is φ = 50425923600.

The previous prime is 102210212077. The next prime is 102210212129. The reversal of 102210212122 is 221212012201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102210212096 and 102210212105.

It is not an unprimeable number, because it can be changed into a prime (102210212129) 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, 1090722 + ... + 1180717.

It is an arithmetic number, because the mean of its divisors is an integer number (9710406000).

Almost surely, 2^102210212122 is an apocalyptic number.

102210212122 is a deficient number, since it is larger than the sum of its proper divisors (53156283878).

102210212122 is a wasteful number, since it uses less digits than its factorization.

102210212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271741.

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

Adding to 102210212122 its reverse (221212012201), we get a palindrome (323422224323).

The spelling of 102210212122 in words is "one hundred two billion, two hundred ten million, two hundred twelve thousand, one hundred twenty-two".