10121230440291 has 8 divisors (see below), whose sum is σ = 13723702292160. Its totient is φ = 6633122774312.

The previous prime is 10121230440247. The next prime is 10121230440319. The reversal of 10121230440291 is 19204403212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10121230440291 - 2⁶ = 10121230440227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121230440091) 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 in 7 ways as a sum of consecutive naturals, for example, 28591046265 + ... + 28591046618.

It is an arithmetic number, because the mean of its divisors is an integer number (1715462786520).

Almost surely, 2^{10121230440291} is an apocalyptic number.

10121230440291 is a deficient number, since it is larger than the sum of its proper divisors (3602471851869).

10121230440291 is an equidigital number, since it uses as much as digits as its factorization.

10121230440291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57182092945.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 10121230440291 its reverse (19204403212101), we get a palindrome (29325633652392).

The spelling of 10121230440291 in words is "ten trillion, one hundred twenty-one billion, two hundred thirty million, four hundred forty thousand, two hundred ninety-one".