5102123431211 has 4 divisors (see below), whose sum is σ = 5370656243400. Its totient is φ = 4833590619024.

The previous prime is 5102123431159. The next prime is 5102123431219. The reversal of 5102123431211 is 1121343212015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5102123431211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5102123431219) 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, 134266406066 + ... + 134266406103.

It is an arithmetic number, because the mean of its divisors is an integer number (1342664060850).

Almost surely, 2^{5102123431211} is an apocalyptic number.

5102123431211 is a deficient number, since it is larger than the sum of its proper divisors (268532812189).

5102123431211 is a wasteful number, since it uses less digits than its factorization.

5102123431211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268532812188.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 5102123431211 its reverse (1121343212015), we get a palindrome (6223466643226).

The spelling of 5102123431211 in words is "five trillion, one hundred two billion, one hundred twenty-three million, four hundred thirty-one thousand, two hundred eleven".