121089346541 has 2 divisors, whose sum is σ = 121089346542. Its totient is φ = 121089346540.

The previous prime is 121089346471. The next prime is 121089346579. The reversal of 121089346541 is 145643980121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102894034441 + 18195312100 = 320771^2 + 134890^2 .

It is an emirp because it is prime and its reverse (145643980121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121089346541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121089346492 and 121089346501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121089345541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60544673270 + 60544673271.

It is an arithmetic number, because the mean of its divisors is an integer number (60544673271).

Almost surely, 2^121089346541 is an apocalyptic number.

It is an amenable number.

121089346541 is a deficient number, since it is larger than the sum of its proper divisors (1).

121089346541 is an equidigital number, since it uses as much as digits as its factorization.

121089346541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 121089346541 in words is "one hundred twenty-one billion, eighty-nine million, three hundred forty-six thousand, five hundred forty-one".