121101200203 has 2 divisors, whose sum is σ = 121101200204. Its totient is φ = 121101200202.

The previous prime is 121101200191. The next prime is 121101200219. The reversal of 121101200203 is 302002101121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121101200203 is a prime.

It is not a weakly prime, because it can be changed into another prime (121101200263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550600101 + 60550600102.

It is an arithmetic number, because the mean of its divisors is an integer number (60550600102).

Almost surely, 2^121101200203 is an apocalyptic number.

121101200203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101200203 is an equidigital number, since it uses as much as digits as its factorization.

121101200203 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 13.

Adding to 121101200203 its reverse (302002101121), we get a palindrome (423103301324).

The spelling of 121101200203 in words is "one hundred twenty-one billion, one hundred one million, two hundred thousand, two hundred three".