10121119649 has 2 divisors, whose sum is σ = 10121119650. Its totient is φ = 10121119648.

The previous prime is 10121119639. The next prime is 10121119691. The reversal of 10121119649 is 94691112101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10093819024 + 27300625 = 100468^2 + 5225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121119649 is a prime.

It is a super-3 number, since 3×10121119649³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (10121119639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060559824 + 5060559825.

It is an arithmetic number, because the mean of its divisors is an integer number (5060559825).

Almost surely, 2^10121119649 is an apocalyptic number.

It is an amenable number.

10121119649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121119649 is an equidigital number, since it uses as much as digits as its factorization.

10121119649 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10121119649 in words is "ten billion, one hundred twenty-one million, one hundred nineteen thousand, six hundred forty-nine".