1220200111223 has 2 divisors, whose sum is σ = 1220200111224. Its totient is φ = 1220200111222.

The previous prime is 1220200111121. The next prime is 1220200111271. The reversal of 1220200111223 is 3221110020221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220200111223 - 2³² = 1215905143927 is a prime.

It is a super-2 number, since 2×1220200111223² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220200110223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610100055611 + 610100055612.

It is an arithmetic number, because the mean of its divisors is an integer number (610100055612).

Almost surely, 2^{1220200111223} is an apocalyptic number.

1220200111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220200111223 is an equidigital number, since it uses as much as digits as its factorization.

1220200111223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1220200111223 its reverse (3221110020221), we get a palindrome (4441310131444).

The spelling of 1220200111223 in words is "one trillion, two hundred twenty billion, two hundred million, one hundred eleven thousand, two hundred twenty-three".