1103333122121 has 4 divisors (see below), whose sum is σ = 1104275337744. Its totient is φ = 1102390906500.

The previous prime is 1103333122063. The next prime is 1103333122169. The reversal of 1103333122121 is 1212213333011.

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 1103333122121 - 2⁶ = 1103333122057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103333122321) 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, 471106055 + ... + 471108396.

It is an arithmetic number, because the mean of its divisors is an integer number (276068834436).

Almost surely, 2^{1103333122121} is an apocalyptic number.

It is an amenable number.

1103333122121 is a deficient number, since it is larger than the sum of its proper divisors (942215623).

1103333122121 is an equidigital number, since it uses as much as digits as its factorization.

1103333122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942215622.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1103333122121 its reverse (1212213333011), we get a palindrome (2315546455132).

The spelling of 1103333122121 in words is "one trillion, one hundred three billion, three hundred thirty-three million, one hundred twenty-two thousand, one hundred twenty-one".