211203342422 has 8 divisors (see below), whose sum is σ = 316828965000. Its totient is φ = 105593687424.

The previous prime is 211203342421. The next prime is 211203342443. The reversal of 211203342422 is 224243302112.

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

It is a junction number, because it is equal to n+sod(n) for n = 211203342391 and 211203342400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211203342421) 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, 3958772 + ... + 4011767.

It is an arithmetic number, because the mean of its divisors is an integer number (39603620625).

Almost surely, 2^211203342422 is an apocalyptic number.

211203342422 is a deficient number, since it is larger than the sum of its proper divisors (105625622578).

211203342422 is a wasteful number, since it uses less digits than its factorization.

211203342422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983790.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 211203342422 its reverse (224243302112), we get a palindrome (435446644534).

The spelling of 211203342422 in words is "two hundred eleven billion, two hundred three million, three hundred forty-two thousand, four hundred twenty-two".