1103401421009 has 4 divisors (see below), whose sum is σ = 1129061919216. Its totient is φ = 1077740922804.

The previous prime is 1103401420937. The next prime is 1103401421047. The reversal of 1103401421009 is 9001241043011.

It is a happy number.

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 1103401421009 - 2³² = 1099106453713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103401423009) 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, 12830249039 + ... + 12830249124.

It is an arithmetic number, because the mean of its divisors is an integer number (282265479804).

Almost surely, 2^{1103401421009} is an apocalyptic number.

It is an amenable number.

1103401421009 is a deficient number, since it is larger than the sum of its proper divisors (25660498207).

1103401421009 is an equidigital number, since it uses as much as digits as its factorization.

1103401421009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25660498206.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1103401421009 in words is "one trillion, one hundred three billion, four hundred one million, four hundred twenty-one thousand, nine".