51111103322 has 8 divisors (see below), whose sum is σ = 76681770996. Its totient is φ = 25550512992.

The previous prime is 51111103321. The next prime is 51111103361. The reversal of 51111103322 is 22330111115.

It can be written as a sum of positive squares in 2 ways, for example, as 44871525241 + 6239578081 = 211829^2 + 78991^2 .

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

It is a super-2 number, since 2×51111103322² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51111103294 and 51111103303.

It is not an unprimeable number, because it can be changed into a prime (51111103321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506643 + ... + 2526950.

Almost surely, 2^51111103322 is an apocalyptic number.

51111103322 is a deficient number, since it is larger than the sum of its proper divisors (25570667674).

51111103322 is a wasteful number, since it uses less digits than its factorization.

51111103322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038672.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 51111103322 its reverse (22330111115), we get a palindrome (73441214437).

The spelling of 51111103322 in words is "fifty-one billion, one hundred eleven million, one hundred three thousand, three hundred twenty-two".