211031012222 has 8 divisors (see below), whose sum is σ = 316549061400. Its totient is φ = 105514658424.

The previous prime is 211031012191. The next prime is 211031012243. The reversal of 211031012222 is 222210130112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 211031012222.

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, 44897 + ... + 651212.

It is an arithmetic number, because the mean of its divisors is an integer number (39568632675).

Almost surely, 2^211031012222 is an apocalyptic number.

211031012222 is a deficient number, since it is larger than the sum of its proper divisors (105518049178).

211031012222 is a wasteful number, since it uses less digits than its factorization.

211031012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847690.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211031012222 its reverse (222210130112), we get a palindrome (433241142334).

The spelling of 211031012222 in words is "two hundred eleven billion, thirty-one million, twelve thousand, two hundred twenty-two".