101123221223 has 4 divisors (see below), whose sum is σ = 101124255960. Its totient is φ = 101122186488.

The previous prime is 101123221187. The next prime is 101123221237. The reversal of 101123221223 is 322122321101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 322122321101 = 7 ⋅46017474443.

It is a cyclic number.

It is not a de Polignac number, because 101123221223 - 2⁸ = 101123220967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101123221195 and 101123221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353468 + ... + 572001.

It is an arithmetic number, because the mean of its divisors is an integer number (25281063990).

Almost surely, 2^101123221223 is an apocalyptic number.

101123221223 is a deficient number, since it is larger than the sum of its proper divisors (1034737).

101123221223 is an equidigital number, since it uses as much as digits as its factorization.

101123221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034736.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 101123221223 its reverse (322122321101), we get a palindrome (423245542324).

The spelling of 101123221223 in words is "one hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-three".