121121103101 has 2 divisors, whose sum is σ = 121121103102. Its totient is φ = 121121103100.

The previous prime is 121121103013. The next prime is 121121103139. The reversal of 121121103101 is 101301121121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61707528100 + 59413575001 = 248410^2 + 243749^2 .

It is a cyclic number.

It is not a de Polignac number, because 121121103101 - 2³⁴ = 103941233917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121121103401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560551550 + 60560551551.

It is an arithmetic number, because the mean of its divisors is an integer number (60560551551).

Almost surely, 2^121121103101 is an apocalyptic number.

It is an amenable number.

121121103101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121103101 is an equidigital number, since it uses as much as digits as its factorization.

121121103101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121121103101 its reverse (101301121121), we get a palindrome (222422224222).

The spelling of 121121103101 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred three thousand, one hundred one".