212313311102 has 4 divisors (see below), whose sum is σ = 318469966656. Its totient is φ = 106156655550.

The previous prime is 212313311101. The next prime is 212313311141. The reversal of 212313311102 is 201113313212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212313311101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53078327774 + ... + 53078327777.

It is an arithmetic number, because the mean of its divisors is an integer number (79617491664).

Almost surely, 2^212313311102 is an apocalyptic number.

212313311102 is a deficient number, since it is larger than the sum of its proper divisors (106156655554).

212313311102 is a wasteful number, since it uses less digits than its factorization.

212313311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106156655553.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212313311102 its reverse (201113313212), we get a palindrome (413426624314).

It can be divided in two parts, 21231 and 3311102, that added together give a palindrome (3332333).

The spelling of 212313311102 in words is "two hundred twelve billion, three hundred thirteen million, three hundred eleven thousand, one hundred two".