1101101221023 has 4 divisors (see below), whose sum is σ = 1468134961368. Its totient is φ = 734067480680.

The previous prime is 1101101221007. The next prime is 1101101221079. The reversal of 1101101221023 is 3201221011011.

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 1101101221023 - 2⁴ = 1101101221007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101101220993 and 1101101221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101101221523) 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, 183516870168 + ... + 183516870173.

It is an arithmetic number, because the mean of its divisors is an integer number (367033740342).

Almost surely, 2^{1101101221023} is an apocalyptic number.

1101101221023 is a deficient number, since it is larger than the sum of its proper divisors (367033740345).

1101101221023 is an equidigital number, since it uses as much as digits as its factorization.

1101101221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367033740344.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1101101221023 its reverse (3201221011011), we get a palindrome (4302322232034).

The spelling of 1101101221023 in words is "one trillion, one hundred one billion, one hundred one million, two hundred twenty-one thousand, twenty-three".