220201312127 has 2 divisors, whose sum is σ = 220201312128. Its totient is φ = 220201312126.

The previous prime is 220201312109. The next prime is 220201312129. The reversal of 220201312127 is 721213102022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220201312127 - 2¹⁸ = 220201049983 is a prime.

Together with 220201312129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220201312129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100656063 + 110100656064.

It is an arithmetic number, because the mean of its divisors is an integer number (110100656064).

Almost surely, 2^220201312127 is an apocalyptic number.

220201312127 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201312127 is an equidigital number, since it uses as much as digits as its factorization.

220201312127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 220201312127 its reverse (721213102022), we get a palindrome (941414414149).

The spelling of 220201312127 in words is "two hundred twenty billion, two hundred one million, three hundred twelve thousand, one hundred twenty-seven".