213224011142 has 4 divisors (see below), whose sum is σ = 319836016716. Its totient is φ = 106612005570.

The previous prime is 213224011139. The next prime is 213224011211. The reversal of 213224011142 is 241110422312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53306002784 + ... + 53306002787.

It is an arithmetic number, because the mean of its divisors is an integer number (79959004179).

Almost surely, 2^213224011142 is an apocalyptic number.

213224011142 is a deficient number, since it is larger than the sum of its proper divisors (106612005574).

213224011142 is a wasteful number, since it uses less digits than its factorization.

213224011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106612005573.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 213224011142 its reverse (241110422312), we get a palindrome (454334433454).

The spelling of 213224011142 in words is "two hundred thirteen billion, two hundred twenty-four million, eleven thousand, one hundred forty-two".