11222421343123 has 2 divisors, whose sum is σ = 11222421343124. Its totient is φ = 11222421343122.

The previous prime is 11222421343097. The next prime is 11222421343127. The reversal of 11222421343123 is 32134312422211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11222421343123 - 2⁹ = 11222421342611 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222421343127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611210671561 + 5611210671562.

It is an arithmetic number, because the mean of its divisors is an integer number (5611210671562).

Almost surely, 2^{11222421343123} is an apocalyptic number.

11222421343123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222421343123 is an equidigital number, since it uses as much as digits as its factorization.

11222421343123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

Adding to 11222421343123 its reverse (32134312422211), we get a palindrome (43356733765334).

The spelling of 11222421343123 in words is "eleven trillion, two hundred twenty-two billion, four hundred twenty-one million, three hundred forty-three thousand, one hundred twenty-three".