111020111130123 has 48 divisors (see below), whose sum is σ = 173267703947520. Its totient is φ = 68094708177600.

The previous prime is 111020111130119. The next prime is 111020111130127. The reversal of 111020111130123 is 321031111020111.

It is an interprime number because it is at equal distance from previous prime (111020111130119) and next prime (111020111130127).

It is not a de Polignac number, because 111020111130123 - 2² = 111020111130119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111020111130096 and 111020111130105.

It is not an unprimeable number, because it can be changed into a prime (111020111130127) 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 47 ways as a sum of consecutive naturals, for example, 458755488 + ... + 458997426.

It is an arithmetic number, because the mean of its divisors is an integer number (3609743832240).

Almost surely, 2^{111020111130123} is an apocalyptic number.

111020111130123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111020111130123 is a deficient number, since it is larger than the sum of its proper divisors (62247592817397).

111020111130123 is a wasteful number, since it uses less digits than its factorization.

111020111130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254880 (or 254877 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 111020111130123 its reverse (321031111020111), we get a palindrome (432051222150234).

The spelling of 111020111130123 in words is "one hundred eleven trillion, twenty billion, one hundred eleven million, one hundred thirty thousand, one hundred twenty-three".