11420123043331 has 2 divisors, whose sum is σ = 11420123043332. Its totient is φ = 11420123043330.

The previous prime is 11420123043293. The next prime is 11420123043337. The reversal of 11420123043331 is 13334032102411.

It is a strong prime.

It is an emirp because it is prime and its reverse (13334032102411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11420123043331 - 2⁹ = 11420123042819 is a prime.

It is a super-2 number, since 2×11420123043331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11420123043331.

It is not a weakly prime, because it can be changed into another prime (11420123043337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710061521665 + 5710061521666.

It is an arithmetic number, because the mean of its divisors is an integer number (5710061521666).

Almost surely, 2^{11420123043331} is an apocalyptic number.

11420123043331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420123043331 is an equidigital number, since it uses as much as digits as its factorization.

11420123043331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 11420123043331 its reverse (13334032102411), we get a palindrome (24754155145742).

The spelling of 11420123043331 in words is "eleven trillion, four hundred twenty billion, one hundred twenty-three million, forty-three thousand, three hundred thirty-one".