121121003413 has 2 divisors, whose sum is σ = 121121003414. Its totient is φ = 121121003412.

The previous prime is 121121003321. The next prime is 121121003459. The reversal of 121121003413 is 314300121121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112730077009 + 8390926404 = 335753^2 + 91602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121121003413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121121003713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560501706 + 60560501707.

It is an arithmetic number, because the mean of its divisors is an integer number (60560501707).

Almost surely, 2^121121003413 is an apocalyptic number.

It is an amenable number.

121121003413 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121003413 is an equidigital number, since it uses as much as digits as its factorization.

121121003413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121121003413 its reverse (314300121121), we get a palindrome (435421124534).

The spelling of 121121003413 in words is "one hundred twenty-one billion, one hundred twenty-one million, three thousand, four hundred thirteen".