213121114 has 8 divisors (see below), whose sum is σ = 319802868. Its totient is φ = 106520160.

The previous prime is 213121093. The next prime is 213121123. The reversal of 213121114 is 411121312.

213121114 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156375025 + 56746089 = 12505^2 + 7533^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13107 + ... + 24454.

Almost surely, 2^213121114 is an apocalyptic number.

213121114 is a deficient number, since it is larger than the sum of its proper divisors (106681754).

213121114 is a wasteful number, since it uses less digits than its factorization.

213121114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40400.

The product of its digits is 48, while the sum is 16.

The square root of 213121114 is about 14598.6682269308. The cubic root of 213121114 is about 597.3224336534.

Adding to 213121114 its reverse (411121312), we get a palindrome (624242426).

The spelling of 213121114 in words is "two hundred thirteen million, one hundred twenty-one thousand, one hundred fourteen".