11114044421 has 2 divisors, whose sum is σ = 11114044422. Its totient is φ = 11114044420.

The previous prime is 11114044411. The next prime is 11114044441. The reversal of 11114044421 is 12444041111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7675512100 + 3438532321 = 87610^2 + 58639^2 .

It is a cyclic number.

It is not a de Polignac number, because 11114044421 - 2¹⁰ = 11114043397 is a prime.

It is a super-2 number, since 2×11114044421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11114044411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557022210 + 5557022211.

It is an arithmetic number, because the mean of its divisors is an integer number (5557022211).

Almost surely, 2^11114044421 is an apocalyptic number.

It is an amenable number.

11114044421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11114044421 is an equidigital number, since it uses as much as digits as its factorization.

11114044421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 11114044421 its reverse (12444041111), we get a palindrome (23558085532).

The spelling of 11114044421 in words is "eleven billion, one hundred fourteen million, forty-four thousand, four hundred twenty-one".