51301220101 has 8 divisors (see below), whose sum is σ = 51425422880. Its totient is φ = 51177118032.

The previous prime is 51301220099. The next prime is 51301220153. The reversal of 51301220101 is 10102210315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51301220101 - 2¹ = 51301220099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51301220171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049830 + ... + 1097608.

It is an arithmetic number, because the mean of its divisors is an integer number (6428177860).

Almost surely, 2^51301220101 is an apocalyptic number.

It is an amenable number.

51301220101 is a deficient number, since it is larger than the sum of its proper divisors (124202779).

51301220101 is a wasteful number, since it uses less digits than its factorization.

51301220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50355.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 51301220101 its reverse (10102210315), we get a palindrome (61403430416).

The spelling of 51301220101 in words is "fifty-one billion, three hundred one million, two hundred twenty thousand, one hundred one".