2061226111 has 6 divisors (see below), whose sum is σ = 2397752880. Its totient is φ = 1766765196.

The previous prime is 2061226109. The next prime is 2061226133. The reversal of 2061226111 is 1116221602.

It is not a de Polignac number, because 2061226111 - 2¹ = 2061226109 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 (2061226411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21032871 + ... + 21032968.

It is an arithmetic number, because the mean of its divisors is an integer number (399625480).

Almost surely, 2^2061226111 is an apocalyptic number.

2061226111 is a deficient number, since it is larger than the sum of its proper divisors (336526769).

2061226111 is an equidigital number, since it uses as much as digits as its factorization.

2061226111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42065853 (or 42065846 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2061226111 is about 45400.7280888754. The cubic root of 2061226111 is about 1272.6487202200.

Adding to 2061226111 its reverse (1116221602), we get a palindrome (3177447713).

The spelling of 2061226111 in words is "two billion, sixty-one million, two hundred twenty-six thousand, one hundred eleven".