211231003222 has 16 divisors (see below), whose sum is σ = 318421052352. Its totient is φ = 105090882120.

The previous prime is 211231003211. The next prime is 211231003223. The reversal of 211231003222 is 222300132112.

It is a self number, because there is not a number n which added to its sum of digits gives 211231003222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211231003223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863793 + ... + 1973875.

It is an arithmetic number, because the mean of its divisors is an integer number (19901315772).

Almost surely, 2^211231003222 is an apocalyptic number.

211231003222 is a deficient number, since it is larger than the sum of its proper divisors (107190049130).

211231003222 is a wasteful number, since it uses less digits than its factorization.

211231003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114843.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211231003222 its reverse (222300132112), we get a palindrome (433531135334).

The spelling of 211231003222 in words is "two hundred eleven billion, two hundred thirty-one million, three thousand, two hundred twenty-two".