111012311019 has 8 divisors (see below), whose sum is σ = 148194966160. Its totient is φ = 73918931616.

The previous prime is 111012310979. The next prime is 111012311117. The reversal of 111012311019 is 910113210111.

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

It is not a de Polignac number, because 111012311019 - 2¹¹ = 111012308971 is a prime.

It is a super-2 number, since 2×111012311019² (a number of 23 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 = 111012310986 and 111012311004.

It is not an unprimeable number, because it can be changed into a prime (111012311119) 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, 22316032 + ... + 22321005.

It is an arithmetic number, because the mean of its divisors is an integer number (18524370770).

Almost surely, 2^111012311019 is an apocalyptic number.

111012311019 is a deficient number, since it is larger than the sum of its proper divisors (37182655141).

111012311019 is an equidigital number, since it uses as much as digits as its factorization.

111012311019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44637869.

The product of its (nonzero) digits is 54, while the sum is 21.

The spelling of 111012311019 in words is "one hundred eleven billion, twelve million, three hundred eleven thousand, nineteen".