1122220202111 has 8 divisors (see below), whose sum is σ = 1158567723648. Its totient is φ = 1085881860000.

The previous prime is 1122220202107. The next prime is 1122220202161. The reversal of 1122220202111 is 1112020222211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122220202111 - 2² = 1122220202107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122220202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122220202161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045960 + ... + 2535821.

It is an arithmetic number, because the mean of its divisors is an integer number (144820965456).

Almost surely, 2^{1122220202111} is an apocalyptic number.

1122220202111 is a deficient number, since it is larger than the sum of its proper divisors (36347521537).

1122220202111 is an equidigital number, since it uses as much as digits as its factorization.

1122220202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589713.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1122220202111 its reverse (1112020222211), we get a palindrome (2234240424322).

The spelling of 1122220202111 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, two hundred two thousand, one hundred eleven".