121034032110421 has 4 divisors (see below), whose sum is σ = 121035724090092. Its totient is φ = 121032340130752.

The previous prime is 121034032110419. The next prime is 121034032110449. The reversal of 121034032110421 is 124011230430121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96059875428196 + 24974156682225 = 9801014^2 + 4997415^2 .

It is a cyclic number.

It is not a de Polignac number, because 121034032110421 - 2¹ = 121034032110419 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 (121034032110451) 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, 845882530 + ... + 846025603.

It is an arithmetic number, because the mean of its divisors is an integer number (30258931022523).

Almost surely, 2^{121034032110421} is an apocalyptic number.

It is an amenable number.

121034032110421 is a deficient number, since it is larger than the sum of its proper divisors (1691979671).

121034032110421 is an equidigital number, since it uses as much as digits as its factorization.

121034032110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691979670.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121034032110421 its reverse (124011230430121), we get a palindrome (245045262540542).

The spelling of 121034032110421 in words is "one hundred twenty-one trillion, thirty-four billion, thirty-two million, one hundred ten thousand, four hundred twenty-one".