51422235232121 has 16 divisors (see below), whose sum is σ = 56318626365120. Its totient is φ = 46660312695360.

The previous prime is 51422235232063. The next prime is 51422235232129. The reversal of 51422235232121 is 12123253222415.

It is not a de Polignac number, because 51422235232121 - 2⁶ = 51422235232057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51422235232129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18262751 + ... + 20889531.

It is an arithmetic number, because the mean of its divisors is an integer number (3519914147820).

Almost surely, 2^{51422235232121} is an apocalyptic number.

It is an amenable number.

51422235232121 is a deficient number, since it is larger than the sum of its proper divisors (4896391132999).

51422235232121 is a wasteful number, since it uses less digits than its factorization.

51422235232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652376.

The product of its digits is 57600, while the sum is 35.

Adding to 51422235232121 its reverse (12123253222415), we get a palindrome (63545488454536).

The spelling of 51422235232121 in words is "fifty-one trillion, four hundred twenty-two billion, two hundred thirty-five million, two hundred thirty-two thousand, one hundred twenty-one".