102101200122222 has 72 divisors (see below), whose sum is σ = 272474151146496. Its totient is φ = 27455784902784.

The previous prime is 102101200122221. The next prime is 102101200122301. The reversal of 102101200122222 is 222221002101201.

It is a happy number.

102101200122222 is a `hidden beast` number, since 10 + 210 + 1 + 200 + 1 + 22 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102101200122195 and 102101200122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101200122221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3404720238 + ... + 3404750225.

It is an arithmetic number, because the mean of its divisors is an integer number (3784363210368).

Almost surely, 2^{102101200122222} is an apocalyptic number.

102101200122222 is an abundant number, since it is smaller than the sum of its proper divisors (170372951024274).

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

102101200122222 is a wasteful number, since it uses less digits than its factorization.

102101200122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6809470502 (or 6809470492 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102101200122222 its reverse (222221002101201), we get a palindrome (324322202223423).

The spelling of 102101200122222 in words is "one hundred two trillion, one hundred one billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-two".