222121113002 has 8 divisors (see below), whose sum is σ = 341308051812. Its totient is φ = 108351762400.

The previous prime is 222121113001. The next prime is 222121113007. The reversal of 222121113002 is 200311121222.

It can be written as a sum of positive squares in 2 ways, for example, as 200758659721 + 21362453281 = 448061^2 + 146159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222121113001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1354396949 + ... + 1354397112.

Almost surely, 2^222121113002 is an apocalyptic number.

222121113002 is a deficient number, since it is larger than the sum of its proper divisors (119186938810).

222121113002 is a wasteful number, since it uses less digits than its factorization.

222121113002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708794104.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222121113002 its reverse (200311121222), we get a palindrome (422432234224).

The spelling of 222121113002 in words is "two hundred twenty-two billion, one hundred twenty-one million, one hundred thirteen thousand, two".