5251211122 has 16 divisors (see below), whose sum is σ = 7918986240. Its totient is φ = 2611587312.

The previous prime is 5251211101. The next prime is 5251211219. The reversal of 5251211122 is 2211121525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5251211093 and 5251211102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276529 + ... + 294907.

It is an arithmetic number, because the mean of its divisors is an integer number (494936640).

Almost surely, 2^5251211122 is an apocalyptic number.

5251211122 is a deficient number, since it is larger than the sum of its proper divisors (2667775118).

5251211122 is a wasteful number, since it uses less digits than its factorization.

5251211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19137.

The product of its digits is 400, while the sum is 22.

The square root of 5251211122 is about 72465.2407848066. The cubic root of 5251211122 is about 1738.1469595435.

Adding to 5251211122 its reverse (2211121525), we get a palindrome (7462332647).

The spelling of 5251211122 in words is "five billion, two hundred fifty-one million, two hundred eleven thousand, one hundred twenty-two".