10121121489 has 16 divisors (see below), whose sum is σ = 13553953920. Its totient is φ = 6717903360.

The previous prime is 10121121449. The next prime is 10121121529. The reversal of 10121121489 is 98412112101.

It is an interprime number because it is at equal distance from previous prime (10121121449) and next prime (10121121529).

It is not a de Polignac number, because 10121121489 - 2¹¹ = 10121119441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121121449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860919 + ... + 872595.

It is an arithmetic number, because the mean of its divisors is an integer number (847122120).

Almost surely, 2^10121121489 is an apocalyptic number.

It is an amenable number.

10121121489 is a deficient number, since it is larger than the sum of its proper divisors (3432832431).

10121121489 is a wasteful number, since it uses less digits than its factorization.

10121121489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920.

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 10121121489 in words is "ten billion, one hundred twenty-one million, one hundred twenty-one thousand, four hundred eighty-nine".