121344210401 has 4 divisors (see below), whose sum is σ = 121352804352. Its totient is φ = 121335616452.

The previous prime is 121344210397. The next prime is 121344210419. The reversal of 121344210401 is 104012443121.

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 121344210401 - 2² = 121344210397 is a prime.

It is a super-3 number, since 3×121344210401³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121344210301) 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, 4275761 + ... + 4304046.

It is an arithmetic number, because the mean of its divisors is an integer number (30338201088).

Almost surely, 2^121344210401 is an apocalyptic number.

It is an amenable number.

121344210401 is a deficient number, since it is larger than the sum of its proper divisors (8593951).

121344210401 is an equidigital number, since it uses as much as digits as its factorization.

121344210401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593950.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121344210401 its reverse (104012443121), we get a palindrome (225356653522).

The spelling of 121344210401 in words is "one hundred twenty-one billion, three hundred forty-four million, two hundred ten thousand, four hundred one".