111201220211011 has 8 divisors (see below), whose sum is σ = 127418928943104. Its totient is φ = 95066466511560.

The previous prime is 111201220210957. The next prime is 111201220211051. The reversal of 111201220211011 is 110112022102111.

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 111201220211011 - 2¹⁹ = 111201219686723 is a prime.

It is a super-2 number, since 2×111201220211011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201220211051) 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, 20738755285 + ... + 20738760646.

It is an arithmetic number, because the mean of its divisors is an integer number (15927366117888).

Almost surely, 2^{111201220211011} is an apocalyptic number.

111201220211011 is a deficient number, since it is larger than the sum of its proper divisors (16217708732093).

111201220211011 is an equidigital number, since it uses as much as digits as its factorization.

111201220211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41477516321.

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

Adding to 111201220211011 its reverse (110112022102111), we get a palindrome (221313242313122).

The spelling of 111201220211011 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty million, two hundred eleven thousand, eleven".