110103421 has 2 divisors, whose sum is σ = 110103422. Its totient is φ = 110103420.

The previous prime is 110103397. The next prime is 110103479. The reversal of 110103421 is 124301011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 7080921 = 10150^2 + 2661^2 .

It is an emirp because it is prime and its reverse (124301011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110103421 - 2¹⁷ = 109972349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110103221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55051710 + 55051711.

It is an arithmetic number, because the mean of its divisors is an integer number (55051711).

Almost surely, 2^110103421 is an apocalyptic number.

It is an amenable number.

110103421 is a deficient number, since it is larger than the sum of its proper divisors (1).

110103421 is an equidigital number, since it uses as much as digits as its factorization.

110103421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 110103421 is about 10493.0177260881. The cubic root of 110103421 is about 479.2921003170.

Adding to 110103421 its reverse (124301011), we get a palindrome (234404432).

The spelling of 110103421 in words is "one hundred ten million, one hundred three thousand, four hundred twenty-one".