22101122007 has 12 divisors (see below), whose sum is σ = 31926117184. Its totient is φ = 14733031680.

The previous prime is 22101121979. The next prime is 22101122009. The reversal of 22101122007 is 70022110122.

It is a happy number.

It is not a de Polignac number, because 22101122007 - 2¹² = 22101117911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101122009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58743 + ... + 218295.

Almost surely, 2^22101122007 is an apocalyptic number.

22101122007 is a deficient number, since it is larger than the sum of its proper divisors (9824995177).

22101122007 is a wasteful number, since it uses less digits than its factorization.

22101122007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174950 (or 174947 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

Adding to 22101122007 its reverse (70022110122), we get a palindrome (92123232129).

The spelling of 22101122007 in words is "twenty-two billion, one hundred one million, one hundred twenty-two thousand, seven".