111022100120123 has 2 divisors, whose sum is σ = 111022100120124. Its totient is φ = 111022100120122.

The previous prime is 111022100119981. The next prime is 111022100120179. The reversal of 111022100120123 is 321021001220111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111022100120123 - 2⁸ = 111022100119867 is a prime.

It is not a weakly prime, because it can be changed into another prime (111022600120123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511050060061 + 55511050060062.

It is an arithmetic number, because the mean of its divisors is an integer number (55511050060062).

Almost surely, 2^{111022100120123} is an apocalyptic number.

111022100120123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022100120123 is an equidigital number, since it uses as much as digits as its factorization.

111022100120123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111022100120123 its reverse (321021001220111), we get a palindrome (432043101340234).

The spelling of 111022100120123 in words is "one hundred eleven trillion, twenty-two billion, one hundred million, one hundred twenty thousand, one hundred twenty-three".