102120122220222 has 64 divisors (see below), whose sum is σ = 207436125588480. Its totient is φ = 33511049510400.

The previous prime is 102120122220199. The next prime is 102120122220227. The reversal of 102120122220222 is 222022221021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120122220227) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 112553778 + ... + 113457450.

It is an arithmetic number, because the mean of its divisors is an integer number (3241189462320).

Almost surely, 2^{102120122220222} is an apocalyptic number.

102120122220222 is an abundant number, since it is smaller than the sum of its proper divisors (105316003368258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102120122220222 is a wasteful number, since it uses less digits than its factorization.

102120122220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904689.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102120122220222 its reverse (222022221021201), we get a palindrome (324142343241423).

The spelling of 102120122220222 in words is "one hundred two trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".