206226127121 has 8 divisors (see below), whose sum is σ = 235752264384. Its totient is φ = 176716305360.

The previous prime is 206226127117. The next prime is 206226127147. The reversal of 206226127121 is 121721622602.

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

It is not a de Polignac number, because 206226127121 - 2² = 206226127117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206226127421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051775 + ... + 4102356.

It is an arithmetic number, because the mean of its divisors is an integer number (29469033048).

Almost surely, 2^206226127121 is an apocalyptic number.

It is an amenable number.

206226127121 is a deficient number, since it is larger than the sum of its proper divisors (29526137263).

206226127121 is an equidigital number, since it uses as much as digits as its factorization.

206226127121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157751.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 206226127121 its reverse (121721622602), we get a palindrome (327947749723).

The spelling of 206226127121 in words is "two hundred six billion, two hundred twenty-six million, one hundred twenty-seven thousand, one hundred twenty-one".