1012012122111 has 16 divisors (see below), whose sum is σ = 1359166972800. Its totient is φ = 669766795488.

The previous prime is 1012012122103. The next prime is 1012012122139. The reversal of 1012012122111 is 1112212102101.

It is a happy number.

It is not a de Polignac number, because 1012012122111 - 2³ = 1012012122103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012012122151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5437485 + ... + 5620521.

It is an arithmetic number, because the mean of its divisors is an integer number (84947935800).

Almost surely, 2^{1012012122111} is an apocalyptic number.

1012012122111 is a deficient number, since it is larger than the sum of its proper divisors (347154850689).

1012012122111 is a wasteful number, since it uses less digits than its factorization.

1012012122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196438.

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

Adding to 1012012122111 its reverse (1112212102101), we get a palindrome (2124224224212).

The spelling of 1012012122111 in words is "one trillion, twelve billion, twelve million, one hundred twenty-two thousand, one hundred eleven".