121333402401 has 8 divisors (see below), whose sum is σ = 162958730784. Its totient is φ = 80298504480.

The previous prime is 121333402369. The next prime is 121333402409. The reversal of 121333402401 is 104204333121.

It is a happy number.

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

It is not a de Polignac number, because 121333402401 - 2⁵ = 121333402369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121333402409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147607135 + ... + 147607956.

It is an arithmetic number, because the mean of its divisors is an integer number (20369841348).

Almost surely, 2^121333402401 is an apocalyptic number.

It is an amenable number.

121333402401 is a deficient number, since it is larger than the sum of its proper divisors (41625328383).

121333402401 is a wasteful number, since it uses less digits than its factorization.

121333402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295215231.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121333402401 its reverse (104204333121), we get a palindrome (225537735522).

The spelling of 121333402401 in words is "one hundred twenty-one billion, three hundred thirty-three million, four hundred two thousand, four hundred one".