1100220221111 has 8 divisors (see below), whose sum is σ = 1211457441024. Its totient is φ = 990852534520.

The previous prime is 1100220221083. The next prime is 1100220221131. The reversal of 1100220221111 is 1111220220011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100220221111 is a prime.

It is a super-4 number, since 4×1100220221111⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100220221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467382095 + ... + 467384448.

It is an arithmetic number, because the mean of its divisors is an integer number (151432180128).

Almost surely, 2^{1100220221111} is an apocalyptic number.

1100220221111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100220221111 is a deficient number, since it is larger than the sum of its proper divisors (111237219913).

1100220221111 is a wasteful number, since it uses less digits than its factorization.

1100220221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934766661.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1100220221111 its reverse (1111220220011), we get a palindrome (2211440441122).

The spelling of 1100220221111 in words is "one trillion, one hundred billion, two hundred twenty million, two hundred twenty-one thousand, one hundred eleven".