111122202221202 has 32 divisors (see below), whose sum is σ = 231908182179840. Its totient is φ = 35430118027920.

The previous prime is 111122202221201. The next prime is 111122202221207. The reversal of 111122202221202 is 202122202221111.

It is not an unprimeable number, because it can be changed into a prime (111122202221201) 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, 33847377 + ... + 36984987.

It is an arithmetic number, because the mean of its divisors is an integer number (7247130693120).

Almost surely, 2^{111122202221202} is an apocalyptic number.

111122202221202 is an abundant number, since it is smaller than the sum of its proper divisors (120785979958638).

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

111122202221202 is a wasteful number, since it uses less digits than its factorization.

111122202221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394278.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 111122202221202 its reverse (202122202221111), we get a palindrome (313244404442313).

Subtracting 111122202221202 from its reverse (202122202221111), we obtain a palindrome (90999999999909).

The spelling of 111122202221202 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, two hundred two".