213111262111312 has 20 divisors (see below), whose sum is σ = 414230732955936. Its totient is φ = 106213008445280.

The previous prime is 213111262111289. The next prime is 213111262111387.

213111262111312 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×213111262111312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21413908018 + ... + 21413917969.

Almost surely, 2^{213111262111312} is an apocalyptic number.

It is an amenable number.

213111262111312 is a deficient number, since it is larger than the sum of its proper divisors (201119470844624).

213111262111312 is a wasteful number, since it uses less digits than its factorization.

213111262111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42827826306 (or 42827826300 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The spelling of 213111262111312 in words is "two hundred thirteen trillion, one hundred eleven billion, two hundred sixty-two million, one hundred eleven thousand, three hundred twelve".