220102121227 has 2 divisors, whose sum is σ = 220102121228. Its totient is φ = 220102121226.

The previous prime is 220102121219. The next prime is 220102121243. The reversal of 220102121227 is 722121201022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220102121227 - 2³ = 220102121219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220102121198 and 220102121207.

It is not a weakly prime, because it can be changed into another prime (220105121227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051060613 + 110051060614.

It is an arithmetic number, because the mean of its divisors is an integer number (110051060614).

Almost surely, 2^220102121227 is an apocalyptic number.

220102121227 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102121227 is an equidigital number, since it uses as much as digits as its factorization.

220102121227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 220102121227 its reverse (722121201022), we get a palindrome (942223322249).

The spelling of 220102121227 in words is "two hundred twenty billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty-seven".