10122011009489 has 2 divisors, whose sum is σ = 10122011009490. Its totient is φ = 10122011009488.

The previous prime is 10122011009479. The next prime is 10122011009519. The reversal of 10122011009489 is 98490011022101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9006199067089 + 1115811942400 = 3001033^2 + 1056320^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122011009489 - 2⁴⁰ = 9022499381713 is a prime.

It is a super-2 number, since 2×10122011009489² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10122011009419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061005504744 + 5061005504745.

It is an arithmetic number, because the mean of its divisors is an integer number (5061005504745).

Almost surely, 2^{10122011009489} is an apocalyptic number.

It is an amenable number.

10122011009489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122011009489 is an equidigital number, since it uses as much as digits as its factorization.

10122011009489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 10122011009489 in words is "ten trillion, one hundred twenty-two billion, eleven million, nine thousand, four hundred eighty-nine".