220000121147 has 2 divisors, whose sum is σ = 220000121148. Its totient is φ = 220000121146.

The previous prime is 220000121063. The next prime is 220000121171. The reversal of 220000121147 is 741121000022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220000121147 - 2²⁰ = 219999072571 is a prime.

It is not a weakly prime, because it can be changed into another prime (220000121347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000060573 + 110000060574.

It is an arithmetic number, because the mean of its divisors is an integer number (110000060574).

Almost surely, 2^220000121147 is an apocalyptic number.

220000121147 is a deficient number, since it is larger than the sum of its proper divisors (1).

220000121147 is an equidigital number, since it uses as much as digits as its factorization.

220000121147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 220000121147 its reverse (741121000022), we get a palindrome (961121121169).

The spelling of 220000121147 in words is "two hundred twenty billion, one hundred twenty-one thousand, one hundred forty-seven".