121450022440321 has 4 divisors (see below), whose sum is σ = 121780948932352. Its totient is φ = 121119095948292.

The previous prime is 121450022440247. The next prime is 121450022440367. The reversal of 121450022440321 is 123044220054121.

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 121450022440321 - 2¹¹ = 121450022438273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121450622440321) 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, 165463245465 + ... + 165463246198.

It is an arithmetic number, because the mean of its divisors is an integer number (30445237233088).

Almost surely, 2^{121450022440321} is an apocalyptic number.

It is an amenable number.

121450022440321 is a deficient number, since it is larger than the sum of its proper divisors (330926492031).

121450022440321 is an equidigital number, since it uses as much as digits as its factorization.

121450022440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330926492030.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 121450022440321 its reverse (123044220054121), we get a palindrome (244494242494442).

The spelling of 121450022440321 in words is "one hundred twenty-one trillion, four hundred fifty billion, twenty-two million, four hundred forty thousand, three hundred twenty-one".