111220020211011 has 8 divisors (see below), whose sum is σ = 148418291507904. Its totient is φ = 74084214527400.

The previous prime is 111220020211009. The next prime is 111220020211031. The reversal of 111220020211011 is 110112020022111.

It is a happy number.

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

It is not a de Polignac number, because 111220020211011 - 2¹ = 111220020211009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111220020211031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15616399165 + ... + 15616406286.

It is an arithmetic number, because the mean of its divisors is an integer number (18552286438488).

Almost surely, 2^{111220020211011} is an apocalyptic number.

111220020211011 is a deficient number, since it is larger than the sum of its proper divisors (37198271296893).

111220020211011 is a wasteful number, since it uses less digits than its factorization.

111220020211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31232806641.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111220020211011 its reverse (110112020022111), we get a palindrome (221332040233122).

The spelling of 111220020211011 in words is "one hundred eleven trillion, two hundred twenty billion, twenty million, two hundred eleven thousand, eleven".