144121011410021 has 4 divisors (see below), whose sum is σ = 144407534296032. Its totient is φ = 143834488524012.

The previous prime is 144121011409967. The next prime is 144121011410023. The reversal of 144121011410021 is 120014110121441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144121011410021 - 2²⁶ = 144120944301157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144121011410023) 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, 143261442251 + ... + 143261443256.

It is an arithmetic number, because the mean of its divisors is an integer number (36101883574008).

Almost surely, 2^{144121011410021} is an apocalyptic number.

It is an amenable number.

144121011410021 is a deficient number, since it is larger than the sum of its proper divisors (286522886011).

144121011410021 is an equidigital number, since it uses as much as digits as its factorization.

144121011410021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286522886010.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 144121011410021 its reverse (120014110121441), we get a palindrome (264135121531462).

The spelling of 144121011410021 in words is "one hundred forty-four trillion, one hundred twenty-one billion, eleven million, four hundred ten thousand, twenty-one".