1121002020223 has 2 divisors, whose sum is σ = 1121002020224. Its totient is φ = 1121002020222.

The previous prime is 1121002020197. The next prime is 1121002020269. The reversal of 1121002020223 is 3220202001211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121002020223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121002020197 and 1121002020206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121002024223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560501010111 + 560501010112.

It is an arithmetic number, because the mean of its divisors is an integer number (560501010112).

Almost surely, 2^{1121002020223} is an apocalyptic number.

1121002020223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121002020223 is an equidigital number, since it uses as much as digits as its factorization.

1121002020223 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 1121002020223 its reverse (3220202001211), we get a palindrome (4341204021434).

The spelling of 1121002020223 in words is "one trillion, one hundred twenty-one billion, two million, twenty thousand, two hundred twenty-three".