1103230021121 has 4 divisors (see below), whose sum is σ = 1103820933552. Its totient is φ = 1102639108692.

The previous prime is 1103230021093. The next prime is 1103230021133. The reversal of 1103230021121 is 1211200323011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1103230021121 - 2⁶ = 1103230021057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103230021121.

It is not an unprimeable number, because it can be changed into a prime (1103230021171) 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, 295453415 + ... + 295457148.

It is an arithmetic number, because the mean of its divisors is an integer number (275955233388).

Almost surely, 2^{1103230021121} is an apocalyptic number.

It is an amenable number.

1103230021121 is a deficient number, since it is larger than the sum of its proper divisors (590912431).

1103230021121 is an equidigital number, since it uses as much as digits as its factorization.

1103230021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590912430.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1103230021121 its reverse (1211200323011), we get a palindrome (2314430344132).

The spelling of 1103230021121 in words is "one trillion, one hundred three billion, two hundred thirty million, twenty-one thousand, one hundred twenty-one".