3213111111 has 8 divisors (see below), whose sum is σ = 4896169344. Its totient is φ = 1836063480.

The previous prime is 3213111107. The next prime is 3213111151. The reversal of 3213111111 is 1111113123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3213111111 - 2² = 3213111107 is a prime.

3213111111 is a modest number, since divided by 111111 gives 3213 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213111101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76502625 + ... + 76502666.

It is an arithmetic number, because the mean of its divisors is an integer number (612021168).

Almost surely, 2^3213111111 is an apocalyptic number.

3213111111 is a deficient number, since it is larger than the sum of its proper divisors (1683058233).

3213111111 is a wasteful number, since it uses less digits than its factorization.

3213111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153005301.

The product of its digits is 18, while the sum is 15.

The square root of 3213111111 is about 56684.3109775536. The cubic root of 3213111111 is about 1475.6224297892.

Adding to 3213111111 its reverse (1111113123), we get a palindrome (4324224234).

The spelling of 3213111111 in words is "three billion, two hundred thirteen million, one hundred eleven thousand, one hundred eleven".