20102124022123 has 8 divisors (see below), whose sum is σ = 23616481368816. Its totient is φ = 16868915263200.

The previous prime is 20102124022117. The next prime is 20102124022207. The reversal of 20102124022123 is 32122042120102.

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

It is not a de Polignac number, because 20102124022123 - 2⁵ = 20102124022091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20102124022094 and 20102124022103.

It is not an unprimeable number, because it can be changed into a prime (20102124022723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70287146788 + ... + 70287147073.

It is an arithmetic number, because the mean of its divisors is an integer number (2952060171102).

Almost surely, 2^{20102124022123} is an apocalyptic number.

20102124022123 is a deficient number, since it is larger than the sum of its proper divisors (3514357346693).

20102124022123 is a wasteful number, since it uses less digits than its factorization.

20102124022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140574293885.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20102124022123 its reverse (32122042120102), we get a palindrome (52224166142225).

The spelling of 20102124022123 in words is "twenty trillion, one hundred two billion, one hundred twenty-four million, twenty-two thousand, one hundred twenty-three".