1220122221023 has 2 divisors, whose sum is σ = 1220122221024. Its totient is φ = 1220122221022.

The previous prime is 1220122220963. The next prime is 1220122221029. The reversal of 1220122221023 is 3201222210221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220122221023 - 2²⁸ = 1219853785567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220122220986 and 1220122221004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220122221029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610061110511 + 610061110512.

It is an arithmetic number, because the mean of its divisors is an integer number (610061110512).

Almost surely, 2^{1220122221023} is an apocalyptic number.

1220122221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220122221023 is an equidigital number, since it uses as much as digits as its factorization.

1220122221023 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 20.

Adding to 1220122221023 its reverse (3201222210221), we get a palindrome (4421344431244).

The spelling of 1220122221023 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, twenty-three".