1111111202222 has 64 divisors (see below), whose sum is σ = 1951896960000. Its totient is φ = 464543050752.

The previous prime is 1111111202213. The next prime is 1111111202233. The reversal of 1111111202222 is 2222021111111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111111202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63932798 + ... + 63950174.

It is an arithmetic number, because the mean of its divisors is an integer number (30498390000).

Almost surely, 2^{1111111202222} is an apocalyptic number.

1111111202222 is a deficient number, since it is larger than the sum of its proper divisors (840785757778).

1111111202222 is a wasteful number, since it uses less digits than its factorization.

1111111202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18033.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1111111202222 its reverse (2222021111111), we get a palindrome (3333132313333).

The spelling of 1111111202222 in words is "one trillion, one hundred eleven billion, one hundred eleven million, two hundred two thousand, two hundred twenty-two".