1110400113421 has 2 divisors, whose sum is σ = 1110400113422. Its totient is φ = 1110400113420.

The previous prime is 1110400113401. The next prime is 1110400113437. The reversal of 1110400113421 is 1243110040111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097780062500 + 12620050921 = 1047750^2 + 112339^2 .

It is an emirp because it is prime and its reverse (1243110040111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110400113421 - 2⁷ = 1110400113293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110400113401) 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, 555200056710 + 555200056711.

It is an arithmetic number, because the mean of its divisors is an integer number (555200056711).

Almost surely, 2^{1110400113421} is an apocalyptic number.

It is an amenable number.

1110400113421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110400113421 is an equidigital number, since it uses as much as digits as its factorization.

1110400113421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1110400113421 its reverse (1243110040111), we get a palindrome (2353510153532).

The spelling of 1110400113421 in words is "one trillion, one hundred ten billion, four hundred million, one hundred thirteen thousand, four hundred twenty-one".