1012122112011 has 16 divisors (see below), whose sum is σ = 1387511881728. Its totient is φ = 655861665600.

The previous prime is 1012122111943. The next prime is 1012122112033. The reversal of 1012122112011 is 1102112212101.

It is a happy number.

It is not a de Polignac number, because 1012122112011 - 2¹⁹ = 1012121587723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012122114011) 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, 15148651 + ... + 15215316.

It is an arithmetic number, because the mean of its divisors is an integer number (86719492608).

Almost surely, 2^{1012122112011} is an apocalyptic number.

1012122112011 is a deficient number, since it is larger than the sum of its proper divisors (375389769717).

1012122112011 is a wasteful number, since it uses less digits than its factorization.

1012122112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30364282.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1012122112011 its reverse (1102112212101), we get a palindrome (2114234324112).

The spelling of 1012122112011 in words is "one trillion, twelve billion, one hundred twenty-two million, one hundred twelve thousand, eleven".