1000110121993 has 4 divisors (see below), whose sum is σ = 1000112123920. Its totient is φ = 1000108120068.

The previous prime is 1000110121973. The next prime is 1000110122021. The reversal of 1000110121993 is 3991210110001.

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 not a de Polignac number, because 1000110121993 - 2²¹ = 1000108024841 is a prime.

It is a super-2 number, since 2×1000110121993² (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 (1000110121943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436546 + ... + 1480132.

It is an arithmetic number, because the mean of its divisors is an integer number (250028030980).

Almost surely, 2^{1000110121993} is an apocalyptic number.

It is an amenable number.

1000110121993 is a deficient number, since it is larger than the sum of its proper divisors (2001927).

1000110121993 is an equidigital number, since it uses as much as digits as its factorization.

1000110121993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001926.

The product of its (nonzero) digits is 486, while the sum is 28.

Adding to 1000110121993 its reverse (3991210110001), we get a palindrome (4991320231994).

The spelling of 1000110121993 in words is "one trillion, one hundred ten million, one hundred twenty-one thousand, nine hundred ninety-three".