211355143022 has 8 divisors (see below), whose sum is σ = 317191475016. Its totient is φ = 105624651352.

The previous prime is 211355142979. The next prime is 211355143033. The reversal of 211355143022 is 220341553112.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26455088 + ... + 26463075.

It is an arithmetic number, because the mean of its divisors is an integer number (39648934377).

Almost surely, 2^211355143022 is an apocalyptic number.

211355143022 is a deficient number, since it is larger than the sum of its proper divisors (105836331994).

211355143022 is a wasteful number, since it uses less digits than its factorization.

211355143022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52920162.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 211355143022 its reverse (220341553112), we get a palindrome (431696696134).

The spelling of 211355143022 in words is "two hundred eleven billion, three hundred fifty-five million, one hundred forty-three thousand, twenty-two".