22103121 has 8 divisors (see below), whose sum is σ = 29566240. Its totient is φ = 14687712.

The previous prime is 22103119. The next prime is 22103131. The reversal of 22103121 is 12130122.

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

It is not a de Polignac number, because 22103121 - 2¹ = 22103119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22103097 and 22103106.

It is not an unprimeable number, because it can be changed into a prime (22103131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10831 + ... + 12708.

It is an arithmetic number, because the mean of its divisors is an integer number (3695780).

Almost surely, 2^22103121 is an apocalyptic number.

It is an amenable number.

22103121 is a deficient number, since it is larger than the sum of its proper divisors (7463119).

22103121 is a wasteful number, since it uses less digits than its factorization.

22103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 22103121 is about 4701.3956438487. The cubic root of 22103121 is about 280.6410524661.

Adding to 22103121 its reverse (12130122), we get a palindrome (34233243).

The spelling of 22103121 in words is "twenty-two million, one hundred three thousand, one hundred twenty-one".