121332034134421 has 16 divisors (see below), whose sum is σ = 132671649600000. Its totient is φ = 110044236156400.

The previous prime is 121332034134403. The next prime is 121332034134427. The reversal of 121332034134421 is 124431430233121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121332034134421 - 2³³ = 121323444199829 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 (121332034134427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3734706 + ... + 16019116.

It is an arithmetic number, because the mean of its divisors is an integer number (8291978100000).

Almost surely, 2^{121332034134421} is an apocalyptic number.

121332034134421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121332034134421 is a deficient number, since it is larger than the sum of its proper divisors (11339615465579).

121332034134421 is a wasteful number, since it uses less digits than its factorization.

121332034134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12286520.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 121332034134421 its reverse (124431430233121), we get a palindrome (245763464367542).

The spelling of 121332034134421 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, thirty-four million, one hundred thirty-four thousand, four hundred twenty-one".