2011020212111 has 16 divisors (see below), whose sum is σ = 2062384257024. Its totient is φ = 1960189624224.

The previous prime is 2011020212093. The next prime is 2011020212143. The reversal of 2011020212111 is 1112120201102.

It is a cyclic number.

It is not a de Polignac number, because 2011020212111 - 2¹⁰ = 2011020211087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011020212161) 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, 5581160 + ... + 5930546.

It is an arithmetic number, because the mean of its divisors is an integer number (128899016064).

Almost surely, 2^{2011020212111} is an apocalyptic number.

2011020212111 is a deficient number, since it is larger than the sum of its proper divisors (51364044913).

2011020212111 is a wasteful number, since it uses less digits than its factorization.

2011020212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350150.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2011020212111 its reverse (1112120201102), we get a palindrome (3123140413213).

The spelling of 2011020212111 in words is "two trillion, eleven billion, twenty million, two hundred twelve thousand, one hundred eleven".