111200122122202 has 4 divisors (see below), whose sum is σ = 166800183183306. Its totient is φ = 55600061061100.

The previous prime is 111200122122101. The next prime is 111200122122209. The reversal of 111200122122202 is 202221221002111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93297652583041 + 17902469539161 = 9659071^2 + 4231131^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111200122122202.

It is not an unprimeable number, because it can be changed into a prime (111200122122209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27800030530549 + ... + 27800030530552.

Almost surely, 2^{111200122122202} is an apocalyptic number.

111200122122202 is a deficient number, since it is larger than the sum of its proper divisors (55600061061104).

111200122122202 is an equidigital number, since it uses as much as digits as its factorization.

111200122122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55600061061103.

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

Adding to 111200122122202 its reverse (202221221002111), we get a palindrome (313421343124313).

The spelling of 111200122122202 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred two".