1000120233011 has 4 divisors (see below), whose sum is σ = 1004104776024. Its totient is φ = 996135690000.

The previous prime is 1000120232989. The next prime is 1000120233043. The reversal of 1000120233011 is 1103320210001.

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 1000120233011 - 2¹⁰ = 1000120231987 is a prime.

It is a super-2 number, since 2×1000120233011² (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 (1000120233061) 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, 1992271130 + ... + 1992271631.

It is an arithmetic number, because the mean of its divisors is an integer number (251026194006).

Almost surely, 2^{1000120233011} is an apocalyptic number.

1000120233011 is a deficient number, since it is larger than the sum of its proper divisors (3984543013).

1000120233011 is an equidigital number, since it uses as much as digits as its factorization.

1000120233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984543012.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1000120233011 its reverse (1103320210001), we get a palindrome (2103440443012).

The spelling of 1000120233011 in words is "one trillion, one hundred twenty million, two hundred thirty-three thousand, eleven".