10154334121 has 2 divisors, whose sum is σ = 10154334122. Its totient is φ = 10154334120.

The previous prime is 10154334119. The next prime is 10154334143. The reversal of 10154334121 is 12143345101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9324606096 + 829728025 = 96564^2 + 28805^2 .

It is an emirp because it is prime and its reverse (12143345101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10154334121 - 2¹ = 10154334119 is a prime.

It is a super-2 number, since 2×10154334121² (a number of 21 digits) contains 22 as substring.

Together with 10154334119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10154334191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077167060 + 5077167061.

It is an arithmetic number, because the mean of its divisors is an integer number (5077167061).

Almost surely, 2^10154334121 is an apocalyptic number.

It is an amenable number.

10154334121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10154334121 is an equidigital number, since it uses as much as digits as its factorization.

10154334121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 10154334121 its reverse (12143345101), we get a palindrome (22297679222).

The spelling of 10154334121 in words is "ten billion, one hundred fifty-four million, three hundred thirty-four thousand, one hundred twenty-one".