1011111211119 has 4 divisors (see below), whose sum is σ = 1348148281496. Its totient is φ = 674074140744.

The previous prime is 1011111211081. The next prime is 1011111211133. The reversal of 1011111211119 is 9111121111101.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1011111211119 is a prime.

It is a super-2 number, since 2×1011111211119² (a number of 25 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 = 1011111211095 and 1011111211104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011111211199) 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, 168518535184 + ... + 168518535189.

It is an arithmetic number, because the mean of its divisors is an integer number (337037070374).

Almost surely, 2^{1011111211119} is an apocalyptic number.

1011111211119 is a deficient number, since it is larger than the sum of its proper divisors (337037070377).

1011111211119 is an equidigital number, since it uses as much as digits as its factorization.

1011111211119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337037070376.

The product of its (nonzero) digits is 18, while the sum is 21.

The spelling of 1011111211119 in words is "one trillion, eleven billion, one hundred eleven million, two hundred eleven thousand, one hundred nineteen".