121103022109 has 2 divisors, whose sum is σ = 121103022110. Its totient is φ = 121103022108.

The previous prime is 121103021981. The next prime is 121103022169. The reversal of 121103022109 is 901220301121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115810896100 + 5292126009 = 340310^2 + 72747^2 .

It is a cyclic number.

It is not a de Polignac number, because 121103022109 - 2⁷ = 121103021981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121103022109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121103022169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551511054 + 60551511055.

It is an arithmetic number, because the mean of its divisors is an integer number (60551511055).

Almost surely, 2^121103022109 is an apocalyptic number.

It is an amenable number.

121103022109 is a deficient number, since it is larger than the sum of its proper divisors (1).

121103022109 is an equidigital number, since it uses as much as digits as its factorization.

121103022109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 121103022109 in words is "one hundred twenty-one billion, one hundred three million, twenty-two thousand, one hundred nine".