22121120174 has 8 divisors (see below), whose sum is σ = 33185143848. Its totient is φ = 11059405560.

The previous prime is 22121120167. The next prime is 22121120207. The reversal of 22121120174 is 47102112122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×22121120174⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553112 + ... + 591755.

It is an arithmetic number, because the mean of its divisors is an integer number (4148142981).

Almost surely, 2^22121120174 is an apocalyptic number.

22121120174 is a deficient number, since it is larger than the sum of its proper divisors (11064023674).

22121120174 is a wasteful number, since it uses less digits than its factorization.

22121120174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154530.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 22121120174 its reverse (47102112122), we get a palindrome (69223232296).

The spelling of 22121120174 in words is "twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, one hundred seventy-four".