111220202011222 has 4 divisors (see below), whose sum is σ = 166830303016836. Its totient is φ = 55610101005610.

The previous prime is 111220202011201. The next prime is 111220202011241. The reversal of 111220202011222 is 222110202022111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111220202011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805050502804 + ... + 27805050502807.

It is an arithmetic number, because the mean of its divisors is an integer number (41707575754209).

Almost surely, 2^{111220202011222} is an apocalyptic number.

111220202011222 is a deficient number, since it is larger than the sum of its proper divisors (55610101005614).

111220202011222 is an equidigital number, since it uses as much as digits as its factorization.

111220202011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55610101005613.

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

Adding to 111220202011222 its reverse (222110202022111), we get a palindrome (333330404033333).

The spelling of 111220202011222 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred two million, eleven thousand, two hundred twenty-two".