121101202220203 has 2 divisors, whose sum is σ = 121101202220204. Its totient is φ = 121101202220202.

The previous prime is 121101202220051. The next prime is 121101202220221. The reversal of 121101202220203 is 302022202101121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121101202220203 - 2²⁹ = 121100665349291 is a prime.

It is a super-2 number, since 2×121101202220203² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121101202220233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550601110101 + 60550601110102.

It is an arithmetic number, because the mean of its divisors is an integer number (60550601110102).

Almost surely, 2^{121101202220203} is an apocalyptic number.

121101202220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101202220203 is an equidigital number, since it uses as much as digits as its factorization.

121101202220203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121101202220203 its reverse (302022202101121), we get a palindrome (423123404321324).

The spelling of 121101202220203 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred two million, two hundred twenty thousand, two hundred three".