1101111311323 has 8 divisors (see below), whose sum is σ = 1107118239920. Its totient is φ = 1095116267520.

The previous prime is 1101111311281. The next prime is 1101111311341. The reversal of 1101111311323 is 3231131111011.

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 1101111311323 - 2⁹ = 1101111310811 is a prime.

It is a super-2 number, since 2×1101111311323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101111311323.

It is not an unprimeable number, because it can be changed into a prime (1101111311023) 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, 2785365 + ... + 3156022.

It is an arithmetic number, because the mean of its divisors is an integer number (138389779990).

Almost surely, 2^{1101111311323} is an apocalyptic number.

1101111311323 is a deficient number, since it is larger than the sum of its proper divisors (6006928597).

1101111311323 is an equidigital number, since it uses as much as digits as its factorization.

1101111311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942397.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1101111311323 its reverse (3231131111011), we get a palindrome (4332242422334).

The spelling of 1101111311323 in words is "one trillion, one hundred one billion, one hundred eleven million, three hundred eleven thousand, three hundred twenty-three".