102222220002 has 64 divisors (see below), whose sum is σ = 242085473280. Its totient is φ = 28155161664.

The previous prime is 102222219991. The next prime is 102222220013. The reversal of 102222220002 is 200022222201.

It is an interprime number because it is at equal distance from previous prime (102222219991) and next prime (102222220013).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717913 + ... + 848435.

It is an arithmetic number, because the mean of its divisors is an integer number (3782585520).

Almost surely, 2^102222220002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102222220002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121042736640).

102222220002 is an abundant number, since it is smaller than the sum of its proper divisors (139863253278).

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

102222220002 is a wasteful number, since it uses less digits than its factorization.

102222220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131207.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 102222220002 its reverse (200022222201), we get a palindrome (302244442203).

The spelling of 102222220002 in words is "one hundred two billion, two hundred twenty-two million, two hundred twenty thousand, two".