214106121 has 6 divisors (see below), whose sum is σ = 309264410. Its totient is φ = 142737408.

The previous prime is 214106111. The next prime is 214106147. The reversal of 214106121 is 121601412.

It can be written as a sum of positive squares in only one way, i.e., 136048896 + 78057225 = 11664^2 + 8835^2 .

It is not a de Polignac number, because 214106121 - 2⁵ = 214106089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 214106094 and 214106103.

It is not an unprimeable number, because it can be changed into a prime (214106111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11894776 + ... + 11894793.

Almost surely, 2^214106121 is an apocalyptic number.

It is an amenable number.

214106121 is a deficient number, since it is larger than the sum of its proper divisors (95158289).

214106121 is a wasteful number, since it uses less digits than its factorization.

214106121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23789575 (or 23789572 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 214106121 is about 14632.3655298793. The cubic root of 214106121 is about 598.2412580819.

Adding to 214106121 its reverse (121601412), we get a palindrome (335707533).

The spelling of 214106121 in words is "two hundred fourteen million, one hundred six thousand, one hundred twenty-one".