212213313111 has 4 divisors (see below), whose sum is σ = 282951084152. Its totient is φ = 141475542072.

The previous prime is 212213313107. The next prime is 212213313121. The reversal of 212213313111 is 111313312212.

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

It is not a de Polignac number, because 212213313111 - 2² = 212213313107 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 (212213313121) 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, 35368885516 + ... + 35368885521.

It is an arithmetic number, because the mean of its divisors is an integer number (70737771038).

Almost surely, 2^212213313111 is an apocalyptic number.

212213313111 is a deficient number, since it is larger than the sum of its proper divisors (70737771041).

212213313111 is an equidigital number, since it uses as much as digits as its factorization.

212213313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70737771040.

The product of its digits is 216, while the sum is 21.

Adding to 212213313111 its reverse (111313312212), we get a palindrome (323526625323).

The spelling of 212213313111 in words is "two hundred twelve billion, two hundred thirteen million, three hundred thirteen thousand, one hundred eleven".