13100021089 has 2 divisors, whose sum is σ = 13100021090. Its totient is φ = 13100021088.

The previous prime is 13100021017. The next prime is 13100021107. The reversal of 13100021089 is 98012000131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8028160000 + 5071861089 = 89600^2 + 71217^2 .

It is a cyclic number.

It is not a de Polignac number, because 13100021089 - 2⁷ = 13100020961 is a prime.

It is a super-2 number, since 2×13100021089² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13100021009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550010544 + 6550010545.

It is an arithmetic number, because the mean of its divisors is an integer number (6550010545).

Almost surely, 2^13100021089 is an apocalyptic number.

It is an amenable number.

13100021089 is a deficient number, since it is larger than the sum of its proper divisors (1).

13100021089 is an equidigital number, since it uses as much as digits as its factorization.

13100021089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 13100021089 in words is "thirteen billion, one hundred million, twenty-one thousand, eighty-nine".