2011102222111 has 4 divisors (see below), whose sum is σ = 2019516876000. Its totient is φ = 2002687568224.

The previous prime is 2011102222057. The next prime is 2011102222141. The reversal of 2011102222111 is 1112222011102.

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 2011102222111 - 2¹⁹ = 2011101697823 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 (2011102222141) 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, 4207326586 + ... + 4207327063.

It is an arithmetic number, because the mean of its divisors is an integer number (504879219000).

Almost surely, 2^{2011102222111} is an apocalyptic number.

2011102222111 is a deficient number, since it is larger than the sum of its proper divisors (8414653889).

2011102222111 is an equidigital number, since it uses as much as digits as its factorization.

2011102222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8414653888.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011102222111 its reverse (1112222011102), we get a palindrome (3123324233213).

The spelling of 2011102222111 in words is "two trillion, eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred eleven".