51010001122 has 4 divisors (see below), whose sum is σ = 76515001686. Its totient is φ = 25505000560.

The previous prime is 51010001111. The next prime is 51010001177. The reversal of 51010001122 is 22110001015.

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

It can be written as a sum of positive squares in only one way, i.e., 33646931761 + 17363069361 = 183431^2 + 131769^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752500279 + ... + 12752500282.

Almost surely, 2^51010001122 is an apocalyptic number.

51010001122 is a deficient number, since it is larger than the sum of its proper divisors (25505000564).

51010001122 is a wasteful number, since it uses less digits than its factorization.

51010001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25505000563.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 51010001122 its reverse (22110001015), we get a palindrome (73120002137).

The spelling of 51010001122 in words is "fifty-one billion, ten million, one thousand, one hundred twenty-two".