10012121051 has 2 divisors, whose sum is σ = 10012121052. Its totient is φ = 10012121050.

The previous prime is 10012120973. The next prime is 10012121059. The reversal of 10012121051 is 15012121001.

It is a strong prime.

It is an emirp because it is prime and its reverse (15012121001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10012121051 - 2¹⁸ = 10011858907 is a prime.

It is not a weakly prime, because it can be changed into another prime (10012121059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006060525 + 5006060526.

It is an arithmetic number, because the mean of its divisors is an integer number (5006060526).

Almost surely, 2^10012121051 is an apocalyptic number.

10012121051 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012121051 is an equidigital number, since it uses as much as digits as its factorization.

10012121051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 10012121051 its reverse (15012121001), we get a palindrome (25024242052).

The spelling of 10012121051 in words is "ten billion, twelve million, one hundred twenty-one thousand, fifty-one".