51022021022 has 8 divisors (see below), whose sum is σ = 87466321776. Its totient is φ = 21866580432.

The previous prime is 51022021009. The next prime is 51022021027. The reversal of 51022021022 is 22012022015.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51022021027) 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 3 ways as a sum of consecutive naturals, for example, 1822215023 + ... + 1822215050.

It is an arithmetic number, because the mean of its divisors is an integer number (10933290222).

Almost surely, 2^51022021022 is an apocalyptic number.

51022021022 is a deficient number, since it is larger than the sum of its proper divisors (36444300754).

51022021022 is a wasteful number, since it uses less digits than its factorization.

51022021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644430082.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 51022021022 its reverse (22012022015), we get a palindrome (73034043037).

The spelling of 51022021022 in words is "fifty-one billion, twenty-two million, twenty-one thousand, twenty-two".