214127382121 has 3 divisors (see below), whose sum is σ = 214127844861. Its totient is φ = 214126919382.

The previous prime is 214127382113. The next prime is 214127382127. The reversal of 214127382121 is 121283721412.

The square root of 214127382121 is 462739.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 214127382121 - 2³ = 214127382113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214127382127) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 231370 + ... + 694108.

It is an arithmetic number, because the mean of its divisors is an integer number (71375948287).

Almost surely, 2^214127382121 is an apocalyptic number.

214127382121 is the 462739-th square number.

214127382121 is the 231370-th centered octagonal number.

It is an amenable number.

214127382121 is a deficient number, since it is larger than the sum of its proper divisors (462740).

214127382121 is an frugal number, since it uses more digits than its factorization.

214127382121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925478 (or 462739 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The spelling of 214127382121 in words is "two hundred fourteen billion, one hundred twenty-seven million, three hundred eighty-two thousand, one hundred twenty-one".