1103013511421 has 8 divisors (see below), whose sum is σ = 1112800974840. Its totient is φ = 1093226509312.

The previous prime is 1103013511409. The next prime is 1103013511487. The reversal of 1103013511421 is 1241153103011.

It can be written as a sum of positive squares in 4 ways, for example, as 9922351321 + 1093091160100 = 99611^2 + 1045510^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103013511421 - 2¹⁰ = 1103013510397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103013511021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6228131 + ... + 6402783.

It is an arithmetic number, because the mean of its divisors is an integer number (139100121855).

Almost surely, 2^{1103013511421} is an apocalyptic number.

It is an amenable number.

1103013511421 is a deficient number, since it is larger than the sum of its proper divisors (9787463419).

1103013511421 is a wasteful number, since it uses less digits than its factorization.

1103013511421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230655.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 1103013511421 its reverse (1241153103011), we get a palindrome (2344166614432).

The spelling of 1103013511421 in words is "one trillion, one hundred three billion, thirteen million, five hundred eleven thousand, four hundred twenty-one".