102120212222 has 16 divisors (see below), whose sum is σ = 175083310080. Its totient is φ = 43760782968.

The previous prime is 102120212197. The next prime is 102120212237. The reversal of 102120212222 is 222212021201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102120212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290822 + ... + 537417.

It is an arithmetic number, because the mean of its divisors is an integer number (10942706880).

Almost surely, 2^102120212222 is an apocalyptic number.

102120212222 is a deficient number, since it is larger than the sum of its proper divisors (72963097858).

102120212222 is an equidigital number, since it uses as much as digits as its factorization.

102120212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837055.

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

Adding to 102120212222 its reverse (222212021201), we get a palindrome (324332233423).

The spelling of 102120212222 in words is "one hundred two billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-two".