222102222121000 has 128 divisors (see below), whose sum is σ = 566440947072000. Its totient is φ = 81018938092800.

The previous prime is 222102222120937. The next prime is 222102222121009. The reversal of 222102222121000 is 121222201222.

It is not an unprimeable number, because it can be changed into a prime (222102222121009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101841400 + ... + 103999399.

It is an arithmetic number, because the mean of its divisors is an integer number (4425319899000).

Almost surely, 2^{222102222121000} is an apocalyptic number.

222102222121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222102222121000 is an abundant number, since it is smaller than the sum of its proper divisors (344338724951000).

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

222102222121000 is a wasteful number, since it uses less digits than its factorization.

222102222121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205840916 (or 205840902 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222102222121000 its reverse (121222201222), we get a palindrome (222223444322222).

The spelling of 222102222121000 in words is "two hundred twenty-two trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand".