1101321310111 has 4 divisors (see below), whose sum is σ = 1201441429224. Its totient is φ = 1001201191000.

The previous prime is 1101321310099. The next prime is 1101321310153. The reversal of 1101321310111 is 1110131231011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101321310111 - 2²³ = 1101312921503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101321310511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50060059540 + ... + 50060059561.

It is an arithmetic number, because the mean of its divisors is an integer number (300360357306).

Almost surely, 2^{1101321310111} is an apocalyptic number.

1101321310111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101321310111 is a deficient number, since it is larger than the sum of its proper divisors (100120119113).

1101321310111 is a wasteful number, since it uses less digits than its factorization.

1101321310111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100120119112.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1101321310111 its reverse (1110131231011), we get a palindrome (2211452541122).

The spelling of 1101321310111 in words is "one trillion, one hundred one billion, three hundred twenty-one million, three hundred ten thousand, one hundred eleven".