121030112021279 has 2 divisors, whose sum is σ = 121030112021280. Its totient is φ = 121030112021278.

The previous prime is 121030112021249. The next prime is 121030112021327. The reversal of 121030112021279 is 972120211030121.

It is a weak prime.

It is an emirp because it is prime and its reverse (972120211030121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121030112021279 - 2⁸ = 121030112021023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121030112021219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515056010639 + 60515056010640.

It is an arithmetic number, because the mean of its divisors is an integer number (60515056010640).

Almost surely, 2^{121030112021279} is an apocalyptic number.

121030112021279 is a deficient number, since it is larger than the sum of its proper divisors (1).

121030112021279 is an equidigital number, since it uses as much as digits as its factorization.

121030112021279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 121030112021279 in words is "one hundred twenty-one trillion, thirty billion, one hundred twelve million, twenty-one thousand, two hundred seventy-nine".