1210113122123 has 4 divisors (see below), whose sum is σ = 1212761072520. Its totient is φ = 1207465171728.

The previous prime is 1210113122087. The next prime is 1210113122131. The reversal of 1210113122123 is 3212213110121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210113122123 - 2¹⁰ = 1210113121099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210113122095 and 1210113122104.

It is not an unprimeable number, because it can be changed into a prime (1210113122143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323974513 + ... + 1323975426.

It is an arithmetic number, because the mean of its divisors is an integer number (303190268130).

Almost surely, 2^{1210113122123} is an apocalyptic number.

1210113122123 is a deficient number, since it is larger than the sum of its proper divisors (2647950397).

1210113122123 is an equidigital number, since it uses as much as digits as its factorization.

1210113122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647950396.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1210113122123 its reverse (3212213110121), we get a palindrome (4422326232244).

The spelling of 1210113122123 in words is "one trillion, two hundred ten billion, one hundred thirteen million, one hundred twenty-two thousand, one hundred twenty-three".