121100202020027 has 2 divisors, whose sum is σ = 121100202020028. Its totient is φ = 121100202020026.

The previous prime is 121100202019967. The next prime is 121100202020029. The reversal of 121100202020027 is 720020202001121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121100202020027 - 2¹⁰ = 121100202019003 is a prime.

Together with 121100202020029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121100202019990 and 121100202020008.

It is not a weakly prime, because it can be changed into another prime (121100202020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550101010013 + 60550101010014.

It is an arithmetic number, because the mean of its divisors is an integer number (60550101010014).

Almost surely, 2^{121100202020027} is an apocalyptic number.

121100202020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100202020027 is an equidigital number, since it uses as much as digits as its factorization.

121100202020027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 121100202020027 its reverse (720020202001121), we get a palindrome (841120404021148).

The spelling of 121100202020027 in words is "one hundred twenty-one trillion, one hundred billion, two hundred two million, twenty thousand, twenty-seven".