1000122112011 has 16 divisors (see below), whose sum is σ = 1455724327680. Its totient is φ = 605717423520.

The previous prime is 1000122111979. The next prime is 1000122112021. The reversal of 1000122112011 is 1102112210001.

It is not a de Polignac number, because 1000122112011 - 2⁵ = 1000122111979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000122112021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10381071 + ... + 10476968.

It is an arithmetic number, because the mean of its divisors is an integer number (90982770480).

Almost surely, 2^{1000122112011} is an apocalyptic number.

1000122112011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000122112011 is a deficient number, since it is larger than the sum of its proper divisors (455602215669).

1000122112011 is a wasteful number, since it uses less digits than its factorization.

1000122112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20859506.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1000122112011 its reverse (1102112210001), we get a palindrome (2102234322012).

The spelling of 1000122112011 in words is "one trillion, one hundred twenty-two million, one hundred twelve thousand, eleven".