1000110000121 has 4 divisors (see below), whose sum is σ = 1003305240052. Its totient is φ = 996914760192.

The previous prime is 1000110000091. The next prime is 1000110000139. The reversal of 1000110000121 is 1210000110001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 403909820521 + 596200179600 = 635539^2 + 772140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000110000121 - 2²⁹ = 999573129209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000110000521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597619496 + ... + 1597620121.

It is an arithmetic number, because the mean of its divisors is an integer number (250826310013).

Almost surely, 2^{1000110000121} is an apocalyptic number.

It is an amenable number.

1000110000121 is a deficient number, since it is larger than the sum of its proper divisors (3195239931).

1000110000121 is an equidigital number, since it uses as much as digits as its factorization.

1000110000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195239930.

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

Adding to 1000110000121 its reverse (1210000110001), we get a palindrome (2210110110122).

The spelling of 1000110000121 in words is "one trillion, one hundred ten million, one hundred twenty-one", and thus it is an aban number.