1000121003311 has 4 divisors (see below), whose sum is σ = 1000221356512. Its totient is φ = 1000020650112.

The previous prime is 1000121003291. The next prime is 1000121003327. The reversal of 1000121003311 is 1133001210001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000121003311 - 2¹⁷ = 1000120872239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000121003291 and 1000121003300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000121003111) 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, 50161650 + ... + 50181583.

It is an arithmetic number, because the mean of its divisors is an integer number (250055339128).

Almost surely, 2^{1000121003311} is an apocalyptic number.

1000121003311 is a deficient number, since it is larger than the sum of its proper divisors (100353201).

1000121003311 is an equidigital number, since it uses as much as digits as its factorization.

1000121003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100353200.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1000121003311 its reverse (1133001210001), we get a palindrome (2133122213312).

The spelling of 1000121003311 in words is "one trillion, one hundred twenty-one million, three thousand, three hundred eleven".