1220122220227 has 2 divisors, whose sum is σ = 1220122220228. Its totient is φ = 1220122220226.

The previous prime is 1220122220153. The next prime is 1220122220231. The reversal of 1220122220227 is 7220222210221.

It is a strong prime.

It is an emirp because it is prime and its reverse (7220222210221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220122220227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220122290227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610061110113 + 610061110114.

It is an arithmetic number, because the mean of its divisors is an integer number (610061110114).

Almost surely, 2^{1220122220227} is an apocalyptic number.

1220122220227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220122220227 is an equidigital number, since it uses as much as digits as its factorization.

1220122220227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 1220122220227 its reverse (7220222210221), we get a palindrome (8440344430448).

The spelling of 1220122220227 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-seven".