111022220201122 has 4 divisors (see below), whose sum is σ = 166533330301686. Its totient is φ = 55511110100560.

The previous prime is 111022220201119. The next prime is 111022220201147. The reversal of 111022220201122 is 221102022220111.

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., 68156929229841 + 42865290971281 = 8255721^2 + 6547159^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111022220201122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755555050279 + ... + 27755555050282.

Almost surely, 2^{111022220201122} is an apocalyptic number.

111022220201122 is a deficient number, since it is larger than the sum of its proper divisors (55511110100564).

111022220201122 is an equidigital number, since it uses as much as digits as its factorization.

111022220201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55511110100563.

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

Adding to 111022220201122 its reverse (221102022220111), we get a palindrome (332124242421233).

The spelling of 111022220201122 in words is "one hundred eleven trillion, twenty-two billion, two hundred twenty million, two hundred one thousand, one hundred twenty-two".