22112211120202 has 32 divisors (see below), whose sum is σ = 38680791811200. Its totient is φ = 9476529824160.

The previous prime is 22112211120169. The next prime is 22112211120203. The reversal of 22112211120202 is 20202111221122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112211120202.

It is not an unprimeable number, because it can be changed into a prime (22112211120203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61304302 + ... + 61663942.

It is an arithmetic number, because the mean of its divisors is an integer number (1208774744100).

Almost surely, 2^{22112211120202} is an apocalyptic number.

22112211120202 is a deficient number, since it is larger than the sum of its proper divisors (16568580690998).

22112211120202 is an equidigital number, since it uses as much as digits as its factorization.

22112211120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449291 (or 449277 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22112211120202 its reverse (20202111221122), we get a palindrome (42314322341324).

The spelling of 22112211120202 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty thousand, two hundred two".