102120110020123 has 8 divisors (see below), whose sum is σ = 111616928518928. Its totient is φ = 92857780867104.

The previous prime is 102120110020121. The next prime is 102120110020127. The reversal of 102120110020123 is 321020011021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102120110020123 - 2¹ = 102120110020121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102120110020097 and 102120110020106.

It is not an unprimeable number, because it can be changed into a prime (102120110020121) 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 7 ways as a sum of consecutive naturals, for example, 58622335536 + ... + 58622337277.

It is an arithmetic number, because the mean of its divisors is an integer number (13952116064866).

Almost surely, 2^{102120110020123} is an apocalyptic number.

102120110020123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102120110020123 is a deficient number, since it is larger than the sum of its proper divisors (9496818498805).

102120110020123 is a wasteful number, since it uses less digits than its factorization.

102120110020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117244672893.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102120110020123 its reverse (321020011021201), we get a palindrome (423140121041324).

The spelling of 102120110020123 in words is "one hundred two trillion, one hundred twenty billion, one hundred ten million, twenty thousand, one hundred twenty-three".