1111220020011 has 8 divisors (see below), whose sum is σ = 1503740524864. Its totient is φ = 729756430920.

The previous prime is 1111220019947. The next prime is 1111220020039. The reversal of 1111220020011 is 1100200221111.

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

It is not a de Polignac number, because 1111220020011 - 2⁶ = 1111220019947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111220025011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764228705 + ... + 2764229106.

It is an arithmetic number, because the mean of its divisors is an integer number (187967565608).

Almost surely, 2^{1111220020011} is an apocalyptic number.

1111220020011 is a deficient number, since it is larger than the sum of its proper divisors (392520504853).

1111220020011 is an equidigital number, since it uses as much as digits as its factorization.

1111220020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528457881.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111220020011 its reverse (1100200221111), we get a palindrome (2211420241122).

The spelling of 1111220020011 in words is "one trillion, one hundred eleven billion, two hundred twenty million, twenty thousand, eleven".