2214123121 has 8 divisors (see below), whose sum is σ = 2535848640. Its totient is φ = 1893753168.

The previous prime is 2214123053. The next prime is 2214123133. The reversal of 2214123121 is 1213214122.

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

It is a cyclic number.

It is not a de Polignac number, because 2214123121 - 2²⁷ = 2079905393 is a prime.

It is a super-5 number, since 5×2214123121⁵ (a number of 48 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214120121) 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 7 ways as a sum of consecutive naturals, for example, 335386 + ... + 341923.

It is an arithmetic number, because the mean of its divisors is an integer number (316981080).

Almost surely, 2^2214123121 is an apocalyptic number.

It is an amenable number.

2214123121 is a deficient number, since it is larger than the sum of its proper divisors (321725519).

2214123121 is an equidigital number, since it uses as much as digits as its factorization.

2214123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677783.

The product of its digits is 192, while the sum is 19.

The square root of 2214123121 is about 47054.4697239274. The cubic root of 2214123121 is about 1303.3686050346.

Adding to 2214123121 its reverse (1213214122), we get a palindrome (3427337243).

The spelling of 2214123121 in words is "two billion, two hundred fourteen million, one hundred twenty-three thousand, one hundred twenty-one".