1002220000123 has 2 divisors, whose sum is σ = 1002220000124. Its totient is φ = 1002220000122.

The previous prime is 1002220000097. The next prime is 1002220000153. The reversal of 1002220000123 is 3210000222001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002220000123 - 2⁵ = 1002220000091 is a prime.

It is a super-2 number, since 2×1002220000123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002220000153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501110000061 + 501110000062.

It is an arithmetic number, because the mean of its divisors is an integer number (501110000062).

Almost surely, 2^{1002220000123} is an apocalyptic number.

1002220000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002220000123 is an equidigital number, since it uses as much as digits as its factorization.

1002220000123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1002220000123 its reverse (3210000222001), we get a palindrome (4212220222124).

The spelling of 1002220000123 in words is "one trillion, two billion, two hundred twenty million, one hundred twenty-three", and thus it is an aban number.