121121000104837 has 2 divisors, whose sum is σ = 121121000104838. Its totient is φ = 121121000104836.

The previous prime is 121121000104831. The next prime is 121121000104849. The reversal of 121121000104837 is 738401000121121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121084362699556 + 36637405281 = 11003834^2 + 191409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121121000104837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121121000104799 and 121121000104808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121121000104831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560500052418 + 60560500052419.

It is an arithmetic number, because the mean of its divisors is an integer number (60560500052419).

Almost surely, 2^{121121000104837} is an apocalyptic number.

It is an amenable number.

121121000104837 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121000104837 is an equidigital number, since it uses as much as digits as its factorization.

121121000104837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

Adding to 121121000104837 its reverse (738401000121121), we get a palindrome (859522000225958).

The spelling of 121121000104837 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, one hundred four thousand, eight hundred thirty-seven".