220101001027 has 2 divisors, whose sum is σ = 220101001028. Its totient is φ = 220101001026.

The previous prime is 220101000983. The next prime is 220101001031. The reversal of 220101001027 is 720100101022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220101001027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220101001027.

It is not a weakly prime, because it can be changed into another prime (220101001327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110050500513 + 110050500514.

It is an arithmetic number, because the mean of its divisors is an integer number (110050500514).

Almost surely, 2^220101001027 is an apocalyptic number.

220101001027 is a deficient number, since it is larger than the sum of its proper divisors (1).

220101001027 is an equidigital number, since it uses as much as digits as its factorization.

220101001027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 220101001027 its reverse (720100101022), we get a palindrome (940201102049).

The spelling of 220101001027 in words is "two hundred twenty billion, one hundred one million, one thousand, twenty-seven".