111012120011101 has 4 divisors (see below), whose sum is σ = 116854863169600. Its totient is φ = 105169376852604.

The previous prime is 111012120011071. The next prime is 111012120011113. The reversal of 111012120011101 is 101110021210111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111012120011101 - 2¹³ = 111012120002909 is a prime.

It is a super-3 number, since 3×111012120011101³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012120011171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921371579221 + ... + 2921371579258.

It is an arithmetic number, because the mean of its divisors is an integer number (29213715792400).

Almost surely, 2^{111012120011101} is an apocalyptic number.

It is an amenable number.

111012120011101 is a deficient number, since it is larger than the sum of its proper divisors (5842743158499).

111012120011101 is an equidigital number, since it uses as much as digits as its factorization.

111012120011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842743158498.

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

Adding to 111012120011101 its reverse (101110021210111), we get a palindrome (212122141221212).

The spelling of 111012120011101 in words is "one hundred eleven trillion, twelve billion, one hundred twenty million, eleven thousand, one hundred one".