1100013000121 has 32 divisors (see below), whose sum is σ = 1326096645120. Its totient is φ = 891373896000.

The previous prime is 1100013000103. The next prime is 1100013000143. The reversal of 1100013000121 is 1210003100011.

It is not a de Polignac number, because 1100013000121 - 2¹⁷ = 1100012869049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100013000098 and 1100013000107.

It is not an unprimeable number, because it can be changed into a prime (1100013000221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187488630 + ... + 187494496.

It is an arithmetic number, because the mean of its divisors is an integer number (41440520160).

Almost surely, 2^{1100013000121} is an apocalyptic number.

It is an amenable number.

1100013000121 is a deficient number, since it is larger than the sum of its proper divisors (226083644999).

1100013000121 is a wasteful number, since it uses less digits than its factorization.

1100013000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1100013000121 its reverse (1210003100011), we get a palindrome (2310016100132).

The spelling of 1100013000121 in words is "one trillion, one hundred billion, thirteen million, one hundred twenty-one", and thus it is an aban number.