1101211001323 has 4 divisors (see below), whose sum is σ = 1101222131688. Its totient is φ = 1101199870960.

The previous prime is 1101211001273. The next prime is 1101211001381. The reversal of 1101211001323 is 3231001121011.

It is a happy number.

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 1101211001323 - 2⁹ = 1101211000811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101211001297 and 1101211001306.

It is not an unprimeable number, because it can be changed into a prime (1101211002323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5415433 + ... + 5615098.

It is an arithmetic number, because the mean of its divisors is an integer number (275305532922).

Almost surely, 2^{1101211001323} is an apocalyptic number.

1101211001323 is a deficient number, since it is larger than the sum of its proper divisors (11130365).

1101211001323 is an equidigital number, since it uses as much as digits as its factorization.

1101211001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11130364.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1101211001323 its reverse (3231001121011), we get a palindrome (4332212122334).

The spelling of 1101211001323 in words is "one trillion, one hundred one billion, two hundred eleven million, one thousand, three hundred twenty-three".