102222021201222 has 128 divisors (see below), whose sum is σ = 224218004871168. Its totient is φ = 30878751052800.

The previous prime is 102222021201197. The next prime is 102222021201277. The reversal of 102222021201222 is 222102120222201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1243278658 + ... + 1243360874.

It is an arithmetic number, because the mean of its divisors is an integer number (1751703163056).

Almost surely, 2^{102222021201222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102222021201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112109002435584).

102222021201222 is an abundant number, since it is smaller than the sum of its proper divisors (121995983669946).

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

102222021201222 is a wasteful number, since it uses less digits than its factorization.

102222021201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83254.

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

Adding to 102222021201222 its reverse (222102120222201), we get a palindrome (324324141423423).

The spelling of 102222021201222 in words is "one hundred two trillion, two hundred twenty-two billion, twenty-one million, two hundred one thousand, two hundred twenty-two".