103122123211 has 12 divisors (see below), whose sum is σ = 108946352592. Its totient is φ = 97594923024.

The previous prime is 103122123191. The next prime is 103122123229. The reversal of 103122123211 is 112321221301.

It is a de Polignac number, because none of the positive numbers 2^k-103122123211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103122123911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209565 + ... + 500161.

It is an arithmetic number, because the mean of its divisors is an integer number (9078862716).

Almost surely, 2^103122123211 is an apocalyptic number.

103122123211 is a deficient number, since it is larger than the sum of its proper divisors (5824229381).

103122123211 is an equidigital number, since it uses as much as digits as its factorization.

103122123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291618 (or 291599 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 103122123211 its reverse (112321221301), we get a palindrome (215443344512).

The spelling of 103122123211 in words is "one hundred three billion, one hundred twenty-two million, one hundred twenty-three thousand, two hundred eleven".