1200222101027 has 2 divisors, whose sum is σ = 1200222101028. Its totient is φ = 1200222101026.

The previous prime is 1200222101011. The next prime is 1200222101047. The reversal of 1200222101027 is 7201012220021.

It is an a-pointer prime, because the next prime (1200222101047) can be obtained adding 1200222101027 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200222101027 - 2⁴ = 1200222101011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200222101047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600111050513 + 600111050514.

It is an arithmetic number, because the mean of its divisors is an integer number (600111050514).

Almost surely, 2^{1200222101027} is an apocalyptic number.

1200222101027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200222101027 is an equidigital number, since it uses as much as digits as its factorization.

1200222101027 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 1200222101027 its reverse (7201012220021), we get a palindrome (8401234321048).

The spelling of 1200222101027 in words is "one trillion, two hundred billion, two hundred twenty-two million, one hundred one thousand, twenty-seven".