121030110032261 has 2 divisors, whose sum is σ = 121030110032262. Its totient is φ = 121030110032260.

The previous prime is 121030110032177. The next prime is 121030110032339. The reversal of 121030110032261 is 162230011030121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67436451280900 + 53593658751361 = 8211970^2 + 7320769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121030110032261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121030110038261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515055016130 + 60515055016131.

It is an arithmetic number, because the mean of its divisors is an integer number (60515055016131).

Almost surely, 2^{121030110032261} is an apocalyptic number.

It is an amenable number.

121030110032261 is a deficient number, since it is larger than the sum of its proper divisors (1).

121030110032261 is an equidigital number, since it uses as much as digits as its factorization.

121030110032261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121030110032261 its reverse (162230011030121), we get a palindrome (283260121062382).

The spelling of 121030110032261 in words is "one hundred twenty-one trillion, thirty billion, one hundred ten million, thirty-two thousand, two hundred sixty-one".