111321202220222 has 4 divisors (see below), whose sum is σ = 166981803330336. Its totient is φ = 55660601110110.

The previous prime is 111321202220203. The next prime is 111321202220231. The reversal of 111321202220222 is 222022202123111.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27830300555054 + ... + 27830300555057.

It is an arithmetic number, because the mean of its divisors is an integer number (41745450832584).

Almost surely, 2^{111321202220222} is an apocalyptic number.

111321202220222 is a deficient number, since it is larger than the sum of its proper divisors (55660601110114).

111321202220222 is an equidigital number, since it uses as much as digits as its factorization.

111321202220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55660601110113.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 111321202220222 its reverse (222022202123111), we get a palindrome (333343404343333).

The spelling of 111321202220222 in words is "one hundred eleven trillion, three hundred twenty-one billion, two hundred two million, two hundred twenty thousand, two hundred twenty-two".