111001002211111 has 8 divisors (see below), whose sum is σ = 114710858625024. Its totient is φ = 107299219479960.

The previous prime is 111001002211097. The next prime is 111001002211123. The reversal of 111001002211111 is 111112200100111.

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 111001002211111 - 2⁵ = 111001002211079 is a prime.

It is a super-2 number, since 2×111001002211111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001002211091 and 111001002211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001002211511) 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, 2018392735 + ... + 2018447728.

It is an arithmetic number, because the mean of its divisors is an integer number (14338857328128).

Almost surely, 2^{111001002211111} is an apocalyptic number.

111001002211111 is a deficient number, since it is larger than the sum of its proper divisors (3709856413913).

111001002211111 is an equidigital number, since it uses as much as digits as its factorization.

111001002211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036841381.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111001002211111 its reverse (111112200100111), we get a palindrome (222113202311222).

The spelling of 111001002211111 in words is "one hundred eleven trillion, one billion, two million, two hundred eleven thousand, one hundred eleven".