111111120022202 has 16 divisors (see below), whose sum is σ = 170266592703240. Its totient is φ = 54361209594432.

The previous prime is 111111120022193. The next prime is 111111120022207. The reversal of 111111120022202 is 202220021111111.

It can be written as a sum of positive squares in 4 ways, for example, as 110920053995881 + 191066026321 = 10531859^2 + 437111^2 .

It is not an unprimeable number, because it can be changed into a prime (111111120022207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405078577 + ... + 1405157652.

Almost surely, 2^{111111120022202} is an apocalyptic number.

111111120022202 is a deficient number, since it is larger than the sum of its proper divisors (59155472681038).

111111120022202 is a wasteful number, since it uses less digits than its factorization.

111111120022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810236657.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111111120022202 its reverse (202220021111111), we get a palindrome (313331141133313).

The spelling of 111111120022202 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred twenty million, twenty-two thousand, two hundred two".