206234541121 has 16 divisors (see below), whose sum is σ = 240164175744. Its totient is φ = 173422364544.

The previous prime is 206234541109. The next prime is 206234541179. The reversal of 206234541121 is 121145432602.

It is a cyclic number.

It is not a de Polignac number, because 206234541121 - 2¹⁵ = 206234508353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206234541101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7992186 + ... + 8017948.

It is an arithmetic number, because the mean of its divisors is an integer number (15010260984).

Almost surely, 2^206234541121 is an apocalyptic number.

It is an amenable number.

206234541121 is a deficient number, since it is larger than the sum of its proper divisors (33929634623).

206234541121 is a wasteful number, since it uses less digits than its factorization.

206234541121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47400.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 206234541121 its reverse (121145432602), we get a palindrome (327379973723).

The spelling of 206234541121 in words is "two hundred six billion, two hundred thirty-four million, five hundred forty-one thousand, one hundred twenty-one".