10144121251 has 4 divisors (see below), whose sum is σ = 11066314104. Its totient is φ = 9221928400.

The previous prime is 10144121219. The next prime is 10144121269. The reversal of 10144121251 is 15212144101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10144121251 - 2⁵ = 10144121219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10144127251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461096410 + ... + 461096431.

It is an arithmetic number, because the mean of its divisors is an integer number (2766578526).

Almost surely, 2^10144121251 is an apocalyptic number.

10144121251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10144121251 is a deficient number, since it is larger than the sum of its proper divisors (922192853).

10144121251 is an equidigital number, since it uses as much as digits as its factorization.

10144121251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922192852.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 10144121251 its reverse (15212144101), we get a palindrome (25356265352).

The spelling of 10144121251 in words is "ten billion, one hundred forty-four million, one hundred twenty-one thousand, two hundred fifty-one".