22121260707 has 64 divisors (see below), whose sum is σ = 37501148160. Its totient is φ = 11286480384.

The previous prime is 22121260673. The next prime is 22121260747. The reversal of 22121260707 is 70706212122.

It is not a de Polignac number, because 22121260707 - 2⁸ = 22121260451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121260747) 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 63 ways as a sum of consecutive naturals, for example, 1741144 + ... + 1753802.

It is an arithmetic number, because the mean of its divisors is an integer number (585955440).

Almost surely, 2^22121260707 is an apocalyptic number.

22121260707 is a deficient number, since it is larger than the sum of its proper divisors (15379887453).

22121260707 is a wasteful number, since it uses less digits than its factorization.

22121260707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12892.

The product of its (nonzero) digits is 4704, while the sum is 30.

Adding to 22121260707 its reverse (70706212122), we get a palindrome (92827472829).

The spelling of 22121260707 in words is "twenty-two billion, one hundred twenty-one million, two hundred sixty thousand, seven hundred seven".