1122000203 has 2 divisors, whose sum is σ = 1122000204. Its totient is φ = 1122000202.

The previous prime is 1122000199. The next prime is 1122000233. The reversal of 1122000203 is 3020002211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3020002211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122000203 - 2² = 1122000199 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122000233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561000101 + 561000102.

It is an arithmetic number, because the mean of its divisors is an integer number (561000102).

Almost surely, 2^1122000203 is an apocalyptic number.

1122000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122000203 is an equidigital number, since it uses as much as digits as its factorization.

1122000203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1122000203 is about 33496.2714790766. The cubic root of 1122000203 is about 1039.1166695138.

Adding to 1122000203 its reverse (3020002211), we get a palindrome (4142002414).

The spelling of 1122000203 in words is "one billion, one hundred twenty-two million, two hundred three", and thus it is an aban number.