2012011122111 has 8 divisors (see below), whose sum is σ = 2686609290240. Its totient is φ = 1339376851032.

The previous prime is 2012011122091. The next prime is 2012011122133. The reversal of 2012011122111 is 1112211102102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012011122111 - 2⁷ = 2012011121983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012011122151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490971871 + ... + 490975968.

It is an arithmetic number, because the mean of its divisors is an integer number (335826161280).

Almost surely, 2^{2012011122111} is an apocalyptic number.

2012011122111 is a deficient number, since it is larger than the sum of its proper divisors (674598168129).

2012011122111 is an equidigital number, since it uses as much as digits as its factorization.

2012011122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981948525.

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

Adding to 2012011122111 its reverse (1112211102102), we get a palindrome (3124222224213).

The spelling of 2012011122111 in words is "two trillion, twelve billion, eleven million, one hundred twenty-two thousand, one hundred eleven".