111101220220223 has 2 divisors, whose sum is σ = 111101220220224. Its totient is φ = 111101220220222.

The previous prime is 111101220220187. The next prime is 111101220220241. The reversal of 111101220220223 is 322022022101111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111101220220223 - 2²⁰ = 111101219171647 is a prime.

It is a super-2 number, since 2×111101220220223² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111101220220195 and 111101220220204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101220225223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550610110111 + 55550610110112.

It is an arithmetic number, because the mean of its divisors is an integer number (55550610110112).

Almost surely, 2^{111101220220223} is an apocalyptic number.

111101220220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101220220223 is an equidigital number, since it uses as much as digits as its factorization.

111101220220223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111101220220223 its reverse (322022022101111), we get a palindrome (433123242321334).

The spelling of 111101220220223 in words is "one hundred eleven trillion, one hundred one billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-three".