222011221002 has 8 divisors (see below), whose sum is σ = 444022442016. Its totient is φ = 74003740332.

The previous prime is 222011220997. The next prime is 222011221007. The reversal of 222011221002 is 200122110222.

It is an interprime number because it is at equal distance from previous prime (222011220997) and next prime (222011221007).

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

222011221002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (222011221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18500935078 + ... + 18500935089.

It is an arithmetic number, because the mean of its divisors is an integer number (55502805252).

Almost surely, 2^222011221002 is an apocalyptic number.

222011221002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222011221002 is a wasteful number, since it uses less digits than its factorization.

222011221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37001870172.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222011221002 its reverse (200122110222), we get a palindrome (422133331224).

The spelling of 222011221002 in words is "two hundred twenty-two billion, eleven million, two hundred twenty-one thousand, two".