1220011012223 has 2 divisors, whose sum is σ = 1220011012224. Its totient is φ = 1220011012222.

The previous prime is 1220011012159. The next prime is 1220011012229. The reversal of 1220011012223 is 3222101100221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220011012223 - 2⁶ = 1220011012159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220011012229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005506111 + 610005506112.

It is an arithmetic number, because the mean of its divisors is an integer number (610005506112).

Almost surely, 2^{1220011012223} is an apocalyptic number.

1220011012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220011012223 is an equidigital number, since it uses as much as digits as its factorization.

1220011012223 is an evil number, because the sum of its binary digits is even.

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

Adding to 1220011012223 its reverse (3222101100221), we get a palindrome (4442112112444).

The spelling of 1220011012223 in words is "one trillion, two hundred twenty billion, eleven million, twelve thousand, two hundred twenty-three".