1000122111133 has 4 divisors (see below), whose sum is σ = 1000137974400. Its totient is φ = 1000106247868.

The previous prime is 1000122111071. The next prime is 1000122111137. The reversal of 1000122111133 is 3311112210001.

It is a happy number.

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 1000122111133 - 2³³ = 991532176541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000122111137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7836685 + ... + 7963282.

It is an arithmetic number, because the mean of its divisors is an integer number (250034493600).

Almost surely, 2^{1000122111133} is an apocalyptic number.

It is an amenable number.

1000122111133 is a deficient number, since it is larger than the sum of its proper divisors (15863267).

1000122111133 is an equidigital number, since it uses as much as digits as its factorization.

1000122111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15863266.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1000122111133 its reverse (3311112210001), we get a palindrome (4311234321134).

The spelling of 1000122111133 in words is "one trillion, one hundred twenty-two million, one hundred eleven thousand, one hundred thirty-three".