11021442061423 has 2 divisors, whose sum is σ = 11021442061424. Its totient is φ = 11021442061422.

The previous prime is 11021442061349. The next prime is 11021442061447. The reversal of 11021442061423 is 32416024412011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11021442061423 - 2¹³ = 11021442053231 is a prime.

It is a super-2 number, since 2×11021442061423² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021442061463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510721030711 + 5510721030712.

It is an arithmetic number, because the mean of its divisors is an integer number (5510721030712).

Almost surely, 2^{11021442061423} is an apocalyptic number.

11021442061423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021442061423 is an equidigital number, since it uses as much as digits as its factorization.

11021442061423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 11021442061423 its reverse (32416024412011), we get a palindrome (43437466473434).

The spelling of 11021442061423 in words is "eleven trillion, twenty-one billion, four hundred forty-two million, sixty-one thousand, four hundred twenty-three".