2102100130123 has 8 divisors (see below), whose sum is σ = 2402446714592. Its totient is φ = 1801765187136.

The previous prime is 2102100130111. The next prime is 2102100130133. The reversal of 2102100130123 is 3210310012012.

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 2102100130123 - 2¹³ = 2102100121931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102100130097 and 2102100130106.

It is not an unprimeable number, because it can be changed into a prime (2102100130133) 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, 2519940 + ... + 3248737.

It is an arithmetic number, because the mean of its divisors is an integer number (300305839324).

Almost surely, 2^{2102100130123} is an apocalyptic number.

2102100130123 is a deficient number, since it is larger than the sum of its proper divisors (300346584469).

2102100130123 is an equidigital number, since it uses as much as digits as its factorization.

2102100130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820741.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2102100130123 its reverse (3210310012012), we get a palindrome (5312410142135).

The spelling of 2102100130123 in words is "two trillion, one hundred two billion, one hundred million, one hundred thirty thousand, one hundred twenty-three".