1000312223011 has 4 divisors (see below), whose sum is σ = 1000336773472. Its totient is φ = 1000287672552.

The previous prime is 1000312222937. The next prime is 1000312223021. The reversal of 1000312223011 is 1103222130001.

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 1000312223011 - 2¹⁷ = 1000312091939 is a prime.

It is a super-2 number, since 2×1000312223011² (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 (1000312223021) 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, 12214011 + ... + 12295636.

It is an arithmetic number, because the mean of its divisors is an integer number (250084193368).

Almost surely, 2^{1000312223011} is an apocalyptic number.

1000312223011 is a deficient number, since it is larger than the sum of its proper divisors (24550461).

1000312223011 is an equidigital number, since it uses as much as digits as its factorization.

1000312223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24550460.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1000312223011 its reverse (1103222130001), we get a palindrome (2103534353012).

The spelling of 1000312223011 in words is "one trillion, three hundred twelve million, two hundred twenty-three thousand, eleven".