1120100121009 has 16 divisors (see below), whose sum is σ = 1659436367040. Its totient is φ = 746720462880.

The previous prime is 1120100121001. The next prime is 1120100121047. The reversal of 1120100121009 is 9001210010211.

It is a happy number.

It is not a de Polignac number, because 1120100121009 - 2³ = 1120100121001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120100120982 and 1120100121000.

It is not an unprimeable number, because it can be changed into a prime (1120100121001) 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, 1378549 + ... + 2034845.

It is an arithmetic number, because the mean of its divisors is an integer number (103714772940).

Almost surely, 2^{1120100121009} is an apocalyptic number.

It is an amenable number.

1120100121009 is a deficient number, since it is larger than the sum of its proper divisors (539336246031).

1120100121009 is an equidigital number, since it uses as much as digits as its factorization.

1120100121009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719517 (or 719511 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 1120100121009 in words is "one trillion, one hundred twenty billion, one hundred million, one hundred twenty-one thousand, nine".