222200121002 has 16 divisors (see below), whose sum is σ = 349516493640. Its totient is φ = 105799583232.

The previous prime is 222200120983. The next prime is 222200121037. The reversal of 222200121002 is 200121002222.

222200121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 199129245121 + 23070875881 = 446239^2 + 151891^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26235743 + ... + 26244210.

Almost surely, 2^222200121002 is an apocalyptic number.

222200121002 is a deficient number, since it is larger than the sum of its proper divisors (127316372638).

222200121002 is a wasteful number, since it uses less digits than its factorization.

222200121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52480057.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222200121002 its reverse (200121002222), we get a palindrome (422321123224).

It can be divided in two parts, 222 and 200121002, that multiplied together give a palindrome (44426862444).

The spelling of 222200121002 in words is "two hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, two".