2114123221 has 16 divisors (see below), whose sum is σ = 2490888960. Its totient is φ = 1756609920.

The previous prime is 2114123197. The next prime is 2114123237. The reversal of 2114123221 is 1223214112.

It is a cyclic number.

It is not a de Polignac number, because 2114123221 - 2⁵ = 2114123189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2114123321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21600 + ... + 68518.

It is an arithmetic number, because the mean of its divisors is an integer number (155680560).

Almost surely, 2^2114123221 is an apocalyptic number.

It is an amenable number.

2114123221 is a deficient number, since it is larger than the sum of its proper divisors (376765739).

2114123221 is a wasteful number, since it uses less digits than its factorization.

2114123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47124.

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

The square root of 2114123221 is about 45979.5957028767. The cubic root of 2114123221 is about 1283.4435314528.

Adding to 2114123221 its reverse (1223214112), we get a palindrome (3337337333).

It can be divided in two parts, 21141232 and 21, that added together give a triangular number (21141253 = T₆₅₀₂).

The spelling of 2114123221 in words is "two billion, one hundred fourteen million, one hundred twenty-three thousand, two hundred twenty-one".