51022121033 has 16 divisors (see below), whose sum is σ = 55790324352. Its totient is φ = 46376064000.

The previous prime is 51022121023. The next prime is 51022121039. The reversal of 51022121033 is 33012122015.

It is a de Polignac number, because none of the positive numbers 2^k-51022121033 is a prime.

It is a super-2 number, since 2×51022121033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51022120996 and 51022121014.

It is not an unprimeable number, because it can be changed into a prime (51022121039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714473 + ... + 782633.

It is an arithmetic number, because the mean of its divisors is an integer number (3486895272).

Almost surely, 2^51022121033 is an apocalyptic number.

It is an amenable number.

51022121033 is a deficient number, since it is larger than the sum of its proper divisors (4768203319).

51022121033 is a wasteful number, since it uses less digits than its factorization.

51022121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69056.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 51022121033 its reverse (33012122015), we get a palindrome (84034243048).

The spelling of 51022121033 in words is "fifty-one billion, twenty-two million, one hundred twenty-one thousand, thirty-three".