121103111201 has 2 divisors, whose sum is σ = 121103111202. Its totient is φ = 121103111200.

The previous prime is 121103111177. The next prime is 121103111231. The reversal of 121103111201 is 102111301121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62672619025 + 58430492176 = 250345^2 + 241724^2 .

It is a cyclic number.

It is not a de Polignac number, because 121103111201 - 2¹⁴ = 121103094817 is a prime.

It is not a weakly prime, because it can be changed into another prime (121103111231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551555600 + 60551555601.

It is an arithmetic number, because the mean of its divisors is an integer number (60551555601).

Almost surely, 2^121103111201 is an apocalyptic number.

It is an amenable number.

121103111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121103111201 is an equidigital number, since it uses as much as digits as its factorization.

121103111201 is an evil number, because the sum of its binary digits is even.

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

Adding to 121103111201 its reverse (102111301121), we get a palindrome (223214412322).

The spelling of 121103111201 in words is "one hundred twenty-one billion, one hundred three million, one hundred eleven thousand, two hundred one".