111101020010023 has 2 divisors, whose sum is σ = 111101020010024. Its totient is φ = 111101020010022.

The previous prime is 111101020009981. The next prime is 111101020010039. The reversal of 111101020010023 is 320010020101111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111101020010023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111101020009985 and 111101020010012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101020010053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550510005011 + 55550510005012.

It is an arithmetic number, because the mean of its divisors is an integer number (55550510005012).

Almost surely, 2^{111101020010023} is an apocalyptic number.

111101020010023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101020010023 is an equidigital number, since it uses as much as digits as its factorization.

111101020010023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111101020010023 its reverse (320010020101111), we get a palindrome (431111040111134).

The spelling of 111101020010023 in words is "one hundred eleven trillion, one hundred one billion, twenty million, ten thousand, twenty-three".