2011216334 has 16 divisors (see below), whose sum is σ = 3101963040. Its totient is φ = 977577120.

The previous prime is 2011216321. The next prime is 2011216351. The reversal of 2011216334 is 4336121102.

It is a super-2 number, since 2×2011216334² = 8089982284296799112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75482 + ... + 98589.

It is an arithmetic number, because the mean of its divisors is an integer number (193872690).

Almost surely, 2^2011216334 is an apocalyptic number.

2011216334 is a deficient number, since it is larger than the sum of its proper divisors (1090746706).

2011216334 is a wasteful number, since it uses less digits than its factorization.

2011216334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174235.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2011216334 is about 44846.5866482612. The cubic root of 2011216334 is about 1262.2719431741.

Adding to 2011216334 its reverse (4336121102), we get a palindrome (6347337436).

The spelling of 2011216334 in words is "two billion, eleven million, two hundred sixteen thousand, three hundred thirty-four".