111001002211123 has 2 divisors, whose sum is σ = 111001002211124. Its totient is φ = 111001002211122.

The previous prime is 111001002211097. The next prime is 111001002211133. The reversal of 111001002211123 is 321112200100111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111001002211123 - 2³³ = 110992412276531 is a prime.

It is a super-2 number, since 2×111001002211123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111001002211097 and 111001002211106.

It is not a weakly prime, because it can be changed into another prime (111001002211133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500501105561 + 55500501105562.

It is an arithmetic number, because the mean of its divisors is an integer number (55500501105562).

Almost surely, 2^{111001002211123} is an apocalyptic number.

111001002211123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001002211123 is an equidigital number, since it uses as much as digits as its factorization.

111001002211123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111001002211123 its reverse (321112200100111), we get a palindrome (432113202311234).

The spelling of 111001002211123 in words is "one hundred eleven trillion, one billion, two million, two hundred eleven thousand, one hundred twenty-three".