22090121109 has 12 divisors (see below), whose sum is σ = 36466231776. Its totient is φ = 12622926312.

The previous prime is 22090121099. The next prime is 22090121111. The reversal of 22090121109 is 90112109022.

It is not a de Polignac number, because 22090121109 - 2⁹ = 22090120597 is a prime.

It is a super-2 number, since 2×22090121109² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22090121129) 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, 175318359 + ... + 175318484.

It is an arithmetic number, because the mean of its divisors is an integer number (3038852648).

Almost surely, 2^22090121109 is an apocalyptic number.

It is an amenable number.

22090121109 is a deficient number, since it is larger than the sum of its proper divisors (14376110667).

22090121109 is a wasteful number, since it uses less digits than its factorization.

22090121109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350636856 (or 350636853 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 22090121109 in words is "twenty-two billion, ninety million, one hundred twenty-one thousand, one hundred nine".