2114212221 has 12 divisors (see below), whose sum is σ = 3331486080. Its totient is φ = 1281340680.

The previous prime is 2114212211. The next prime is 2114212249. The reversal of 2114212221 is 1222124112.

2114212221 is a `hidden beast` number, since 21 + 1 + 421 + 2 + 221 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2114212221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2114212194 and 2114212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2114212211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10677741 + ... + 10677938.

It is an arithmetic number, because the mean of its divisors is an integer number (277623840).

Almost surely, 2^2114212221 is an apocalyptic number.

It is an amenable number.

2114212221 is a deficient number, since it is larger than the sum of its proper divisors (1217273859).

2114212221 is a wasteful number, since it uses less digits than its factorization.

2114212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21355696 (or 21355693 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 2114212221 is about 45980.5635132933. The cubic root of 2114212221 is about 1283.4615412626.

Adding to 2114212221 its reverse (1222124112), we get a palindrome (3336336333).

The spelling of 2114212221 in words is "two billion, one hundred fourteen million, two hundred twelve thousand, two hundred twenty-one".