222220111221202 has 16 divisors (see below), whose sum is σ = 356432257607832. Its totient is φ = 103538782163200.

The previous prime is 222220111221191. The next prime is 222220111221217. The reversal of 222220111221202 is 202122111022222.

It can be written as a sum of positive squares in 4 ways, for example, as 222123582323721 + 96528897481 = 14903811^2 + 310691^2 .

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 7 ways as a sum of consecutive naturals, for example, 32355865993 + ... + 32355872860.

Almost surely, 2^{222220111221202} is an apocalyptic number.

222220111221202 is a deficient number, since it is larger than the sum of its proper divisors (134212146386630).

222220111221202 is a wasteful number, since it uses less digits than its factorization.

222220111221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64711738973.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222220111221202 its reverse (202122111022222), we get a palindrome (424342222243424).

The spelling of 222220111221202 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty-one thousand, two hundred two".