121200110110201 has 2 divisors, whose sum is σ = 121200110110202. Its totient is φ = 121200110110200.

The previous prime is 121200110110181. The next prime is 121200110110223. The reversal of 121200110110201 is 102011011002121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83540532282601 + 37659577827600 = 9140051^2 + 6136740^2 .

It is a cyclic number.

It is not a de Polignac number, because 121200110110201 - 2¹³ = 121200110102009 is a prime.

It is not a weakly prime, because it can be changed into another prime (121200110150201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600055055100 + 60600055055101.

It is an arithmetic number, because the mean of its divisors is an integer number (60600055055101).

Almost surely, 2^{121200110110201} is an apocalyptic number.

It is an amenable number.

121200110110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200110110201 is an equidigital number, since it uses as much as digits as its factorization.

121200110110201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121200110110201 its reverse (102011011002121), we get a palindrome (223211121112322).

The spelling of 121200110110201 in words is "one hundred twenty-one trillion, two hundred billion, one hundred ten million, one hundred ten thousand, two hundred one".