51100222112 has 12 divisors (see below), whose sum is σ = 100603562346. Its totient is φ = 25550111040.

The previous prime is 51100222109. The next prime is 51100222127. The reversal of 51100222112 is 21122200115.

51100222112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26949818896 + 24150403216 = 164164^2 + 155404^2 .

It is a super-2 number, since 2×51100222112² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798440939 + ... + 798441002.

Almost surely, 2^51100222112 is an apocalyptic number.

It is an amenable number.

51100222112 is a deficient number, since it is larger than the sum of its proper divisors (49503340234).

51100222112 is a wasteful number, since it uses less digits than its factorization.

51100222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596881951 (or 1596881943 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 51100222112 its reverse (21122200115), we get a palindrome (72222422227).

The spelling of 51100222112 in words is "fifty-one billion, one hundred million, two hundred twenty-two thousand, one hundred twelve".