1101220220111 has 8 divisors (see below), whose sum is σ = 1201823325648. Its totient is φ = 1000699144000.

The previous prime is 1101220220099. The next prime is 1101220220129. The reversal of 1101220220111 is 1110220221011.

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 1101220220111 - 2⁶ = 1101220220047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101220220171) 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, 20479280 + ... + 20532981.

It is an arithmetic number, because the mean of its divisors is an integer number (150227915706).

Almost surely, 2^{1101220220111} is an apocalyptic number.

1101220220111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101220220111 is a deficient number, since it is larger than the sum of its proper divisors (100603105537).

1101220220111 is a wasteful number, since it uses less digits than its factorization.

1101220220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41014713.

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

Adding to 1101220220111 its reverse (1110220221011), we get a palindrome (2211440441122).

It can be divided in two parts, 110 and 1220220111, that added together give a palindrome (1220220221).

The spelling of 1101220220111 in words is "one trillion, one hundred one billion, two hundred twenty million, two hundred twenty thousand, one hundred eleven".