214202121243 has 16 divisors (see below), whose sum is σ = 329894176896. Its totient is φ = 122183027840.

The previous prime is 214202121233. The next prime is 214202121251. The reversal of 214202121243 is 342121202412.

It is a cyclic number.

It is not a de Polignac number, because 214202121243 - 2¹⁴ = 214202104859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214202121233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190910421 + ... + 190911542.

It is an arithmetic number, because the mean of its divisors is an integer number (20618386056).

Almost surely, 2^214202121243 is an apocalyptic number.

214202121243 is a deficient number, since it is larger than the sum of its proper divisors (115692055653).

214202121243 is a wasteful number, since it uses less digits than its factorization.

214202121243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381821994.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 214202121243 its reverse (342121202412), we get a palindrome (556323323655).

The spelling of 214202121243 in words is "two hundred fourteen billion, two hundred two million, one hundred twenty-one thousand, two hundred forty-three".