121002001020223 has 2 divisors, whose sum is σ = 121002001020224. Its totient is φ = 121002001020222.

The previous prime is 121002001020191. The next prime is 121002001020331. The reversal of 121002001020223 is 322020100200121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121002001020223 - 2⁵ = 121002001020191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121002001020197 and 121002001020206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121002001029223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501000510111 + 60501000510112.

It is an arithmetic number, because the mean of its divisors is an integer number (60501000510112).

Almost surely, 2^{121002001020223} is an apocalyptic number.

121002001020223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002001020223 is an equidigital number, since it uses as much as digits as its factorization.

121002001020223 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 16.

Adding to 121002001020223 its reverse (322020100200121), we get a palindrome (443022101220344).

The spelling of 121002001020223 in words is "one hundred twenty-one trillion, two billion, one million, twenty thousand, two hundred twenty-three".