1220022221023 has 2 divisors, whose sum is σ = 1220022221024. Its totient is φ = 1220022221022.

The previous prime is 1220022221003. The next prime is 1220022221101. The reversal of 1220022221023 is 3201222200221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220022221023 - 2⁹ = 1220022220511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220022221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610011110511 + 610011110512.

It is an arithmetic number, because the mean of its divisors is an integer number (610011110512).

Almost surely, 2^{1220022221023} is an apocalyptic number.

1220022221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220022221023 is an equidigital number, since it uses as much as digits as its factorization.

1220022221023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1220022221023 its reverse (3201222200221), we get a palindrome (4421244421244).

The spelling of 1220022221023 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred twenty-one thousand, twenty-three".