2011120202111 has 4 divisors (see below), whose sum is σ = 2011278708000. Its totient is φ = 2010961696224.

The previous prime is 2011120202083. The next prime is 2011120202233. The reversal of 2011120202111 is 1112020211102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011120202111 - 2²² = 2011116007807 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 (2011120252111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79233911 + ... + 79259288.

It is an arithmetic number, because the mean of its divisors is an integer number (502819677000).

Almost surely, 2^{2011120202111} is an apocalyptic number.

2011120202111 is a deficient number, since it is larger than the sum of its proper divisors (158505889).

2011120202111 is a wasteful number, since it uses less digits than its factorization.

2011120202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158505888.

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

Adding to 2011120202111 its reverse (1112020211102), we get a palindrome (3123140413213).

The spelling of 2011120202111 in words is "two trillion, eleven billion, one hundred twenty million, two hundred two thousand, one hundred eleven".