101110120123 has 4 divisors (see below), whose sum is σ = 101166702840. Its totient is φ = 101053537408.

The previous prime is 101110120121. The next prime is 101110120127. The reversal of 101110120123 is 321021011101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101110120123 - 2¹ = 101110120121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101110120121) 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, 28288678 + ... + 28292251.

It is an arithmetic number, because the mean of its divisors is an integer number (25291675710).

Almost surely, 2^101110120123 is an apocalyptic number.

101110120123 is a deficient number, since it is larger than the sum of its proper divisors (56582717).

101110120123 is an equidigital number, since it uses as much as digits as its factorization.

101110120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56582716.

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

Adding to 101110120123 its reverse (321021011101), we get a palindrome (422131131224).

The spelling of 101110120123 in words is "one hundred one billion, one hundred ten million, one hundred twenty thousand, one hundred twenty-three".