121404421433 has 8 divisors (see below), whose sum is σ = 123835203648. Its totient is φ = 118978829424.

The previous prime is 121404421421. The next prime is 121404421451. The reversal of 121404421433 is 334124404121.

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

It is a cyclic number.

It is not a de Polignac number, because 121404421433 - 2⁴ = 121404421417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121404421396 and 121404421405.

It is not an unprimeable number, because it can be changed into a prime (121404420433) 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, 1250285 + ... + 1343882.

It is an arithmetic number, because the mean of its divisors is an integer number (15479400456).

Almost surely, 2^121404421433 is an apocalyptic number.

It is an amenable number.

121404421433 is a deficient number, since it is larger than the sum of its proper divisors (2430782215).

121404421433 is an equidigital number, since it uses as much as digits as its factorization.

121404421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595103.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 121404421433 its reverse (334124404121), we get a palindrome (455528825554).

The spelling of 121404421433 in words is "one hundred twenty-one billion, four hundred four million, four hundred twenty-one thousand, four hundred thirty-three".