51030421102 has 16 divisors (see below), whose sum is σ = 78866194320. Its totient is φ = 24752508352.

The previous prime is 51030421093. The next prime is 51030421147. The reversal of 51030421102 is 20112403015.

It is a self number, because there is not a number n which added to its sum of digits gives 51030421102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695168 + ... + 2714035.

It is an arithmetic number, because the mean of its divisors is an integer number (4929137145).

Almost surely, 2^51030421102 is an apocalyptic number.

51030421102 is a deficient number, since it is larger than the sum of its proper divisors (27835773218).

51030421102 is a wasteful number, since it uses less digits than its factorization.

51030421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5409347.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 51030421102 its reverse (20112403015), we get a palindrome (71142824117).

The spelling of 51030421102 in words is "fifty-one billion, thirty million, four hundred twenty-one thousand, one hundred two".