13101121001987 has 2 divisors, whose sum is σ = 13101121001988. Its totient is φ = 13101121001986.

The previous prime is 13101121001957. The next prime is 13101121002031. The reversal of 13101121001987 is 78910012110131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13101121001987 - 2¹² = 13101120997891 is a prime.

It is not a weakly prime, because it can be changed into another prime (13101121001957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550560500993 + 6550560500994.

It is an arithmetic number, because the mean of its divisors is an integer number (6550560500994).

Almost surely, 2^{13101121001987} is an apocalyptic number.

13101121001987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13101121001987 is an equidigital number, since it uses as much as digits as its factorization.

13101121001987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 35.

The spelling of 13101121001987 in words is "thirteen trillion, one hundred one billion, one hundred twenty-one million, one thousand, nine hundred eighty-seven".