121201102441 has 2 divisors, whose sum is σ = 121201102442. Its totient is φ = 121201102440.

The previous prime is 121201102417. The next prime is 121201102453. The reversal of 121201102441 is 144201102121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103944339216 + 17256763225 = 322404^2 + 131365^2 .

It is an emirp because it is prime and its reverse (144201102121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121201102441 is a prime.

It is not a weakly prime, because it can be changed into another prime (121201102471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600551220 + 60600551221.

It is an arithmetic number, because the mean of its divisors is an integer number (60600551221).

Almost surely, 2^121201102441 is an apocalyptic number.

It is an amenable number.

121201102441 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201102441 is an equidigital number, since it uses as much as digits as its factorization.

121201102441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121201102441 its reverse (144201102121), we get a palindrome (265402204562).

The spelling of 121201102441 in words is "one hundred twenty-one billion, two hundred one million, one hundred two thousand, four hundred forty-one".