2120110212123 has 64 divisors (see below), whose sum is σ = 3373346995200. Its totient is φ = 1311201077760.

The previous prime is 2120110212053. The next prime is 2120110212127. The reversal of 2120110212123 is 3212120110212.

It is not a de Polignac number, because 2120110212123 - 2³⁴ = 2102930342939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120110212096 and 2120110212105.

It is not an unprimeable number, because it can be changed into a prime (2120110212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 230367040 + ... + 230376242.

It is an arithmetic number, because the mean of its divisors is an integer number (52708546800).

Almost surely, 2^{2120110212123} is an apocalyptic number.

2120110212123 is a deficient number, since it is larger than the sum of its proper divisors (1253236783077).

2120110212123 is a wasteful number, since it uses less digits than its factorization.

2120110212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16369 (or 16363 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2120110212123 its reverse (3212120110212), we get a palindrome (5332230322335).

The spelling of 2120110212123 in words is "two trillion, one hundred twenty billion, one hundred ten million, two hundred twelve thousand, one hundred twenty-three".