1050111000121 has 4 divisors (see below), whose sum is σ = 1083985548544. Its totient is φ = 1016236451700.

The previous prime is 1050111000007. The next prime is 1050111000137. The reversal of 1050111000121 is 1210001110501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050111000121 is a prime.

It is a super-2 number, since 2×1050111000121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050111070121) 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, 16937274165 + ... + 16937274226.

It is an arithmetic number, because the mean of its divisors is an integer number (270996387136).

Almost surely, 2^{1050111000121} is an apocalyptic number.

It is an amenable number.

1050111000121 is a deficient number, since it is larger than the sum of its proper divisors (33874548423).

1050111000121 is an equidigital number, since it uses as much as digits as its factorization.

1050111000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33874548422.

The product of its (nonzero) digits is 10, while the sum is 13.

Adding to 1050111000121 its reverse (1210001110501), we get a palindrome (2260112110622).

The spelling of 1050111000121 in words is "one trillion, fifty billion, one hundred eleven million, one hundred twenty-one", and thus it is an aban number.