1220000210027 has 2 divisors, whose sum is σ = 1220000210028. Its totient is φ = 1220000210026.

The previous prime is 1220000209997. The next prime is 1220000210047. The reversal of 1220000210027 is 7200120000221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220000210027 - 2⁶ = 1220000209963 is a prime.

It is a super-2 number, since 2×1220000210027² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220000209987 and 1220000210014.

It is not a weakly prime, because it can be changed into another prime (1220000210047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610000105013 + 610000105014.

It is an arithmetic number, because the mean of its divisors is an integer number (610000105014).

Almost surely, 2^{1220000210027} is an apocalyptic number.

1220000210027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220000210027 is an equidigital number, since it uses as much as digits as its factorization.

1220000210027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 1220000210027 its reverse (7200120000221), we get a palindrome (8420120210248).

The spelling of 1220000210027 in words is "one trillion, two hundred twenty billion, two hundred ten thousand, twenty-seven".