10211121019439 has 2 divisors, whose sum is σ = 10211121019440. Its totient is φ = 10211121019438.

The previous prime is 10211121019427. The next prime is 10211121019483. The reversal of 10211121019439 is 93491012111201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211121019439 - 2⁴ = 10211121019423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10211121019399 and 10211121019408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211121019409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105560509719 + 5105560509720.

It is an arithmetic number, because the mean of its divisors is an integer number (5105560509720).

Almost surely, 2^{10211121019439} is an apocalyptic number.

10211121019439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211121019439 is an equidigital number, since it uses as much as digits as its factorization.

10211121019439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 10211121019439 in words is "ten trillion, two hundred eleven billion, one hundred twenty-one million, nineteen thousand, four hundred thirty-nine".