1101230213123 has 4 divisors (see below), whose sum is σ = 1101246300000. Its totient is φ = 1101214126248.

The previous prime is 1101230213099. The next prime is 1101230213143. The reversal of 1101230213123 is 3213120321011.

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 1101230213123 - 2²⁶ = 1101163104259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101230213095 and 1101230213104.

It is not an unprimeable number, because it can be changed into a prime (1101230213143) 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, 7940315 + ... + 8077812.

It is an arithmetic number, because the mean of its divisors is an integer number (275311575000).

Almost surely, 2^{1101230213123} is an apocalyptic number.

1101230213123 is a deficient number, since it is larger than the sum of its proper divisors (16086877).

1101230213123 is an equidigital number, since it uses as much as digits as its factorization.

1101230213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16086876.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1101230213123 its reverse (3213120321011), we get a palindrome (4314350534134).

The spelling of 1101230213123 in words is "one trillion, one hundred one billion, two hundred thirty million, two hundred thirteen thousand, one hundred twenty-three".