214121011 has 4 divisors (see below), whose sum is σ = 230591872. Its totient is φ = 197650152.

The previous prime is 214120997. The next prime is 214121027. The reversal of 214121011 is 110121412.

214121011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214121011 - 2¹⁹ = 213596723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 16470847 = 214121011 / (2 + 1 + 4 + 1 + 2 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214120982 and 214121000.

It is not an unprimeable number, because it can be changed into a prime (214121711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8235411 + ... + 8235436.

It is an arithmetic number, because the mean of its divisors is an integer number (57647968).

Almost surely, 2^214121011 is an apocalyptic number.

214121011 is a deficient number, since it is larger than the sum of its proper divisors (16470861).

214121011 is a wasteful number, since it uses less digits than its factorization.

214121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16470860.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 214121011 is about 14632.8743246158. The cubic root of 214121011 is about 598.2551259804.

Adding to 214121011 its reverse (110121412), we get a palindrome (324242423).

The spelling of 214121011 in words is "two hundred fourteen million, one hundred twenty-one thousand, eleven".