1000011000121 has 8 divisors (see below), whose sum is σ = 1142903632640. Its totient is φ = 857126847168.

The previous prime is 1000011000103. The next prime is 1000011000137. The reversal of 1000011000121 is 1210001100001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000011000121 - 2⁵ = 1000011000089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (1000011000161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865136 + ... + 2340673.

It is an arithmetic number, because the mean of its divisors is an integer number (142862954080).

Almost surely, 2^{1000011000121} is an apocalyptic number.

It is an amenable number.

1000011000121 is a deficient number, since it is larger than the sum of its proper divisors (142892632519).

1000011000121 is an equidigital number, since it uses as much as digits as its factorization.

1000011000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239783.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1000011000121 its reverse (1210001100001), we get a palindrome (2210012100122).

The spelling of 1000011000121 in words is "one trillion, eleven million, one hundred twenty-one", and thus it is an aban number.