1105113421 has 2 divisors, whose sum is σ = 1105113422. Its totient is φ = 1105113420.

The previous prime is 1105113409. The next prime is 1105113433. The reversal of 1105113421 is 1243115011.

It is a balanced prime because it is at equal distance from previous prime (1105113409) and next prime (1105113433).

It can be written as a sum of positive squares in only one way, i.e., 562875625 + 542237796 = 23725^2 + 23286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105113421 - 2⁷ = 1105113293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105110421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552556710 + 552556711.

It is an arithmetic number, because the mean of its divisors is an integer number (552556711).

Almost surely, 2^1105113421 is an apocalyptic number.

It is an amenable number.

1105113421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105113421 is an equidigital number, since it uses as much as digits as its factorization.

1105113421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1105113421 is about 33243.2462464182. The cubic root of 1105113421 is about 1033.8771835640.

Adding to 1105113421 its reverse (1243115011), we get a palindrome (2348228432).

The spelling of 1105113421 in words is "one billion, one hundred five million, one hundred thirteen thousand, four hundred twenty-one".