211210011012222 has 24 divisors (see below), whose sum is σ = 469989844325976. Its totient is φ = 68500544111856.

The previous prime is 211210011012211. The next prime is 211210011012223. The reversal of 211210011012222 is 222210110012112.

211210011012222 is a `hidden beast` number, since 211 + 210 + 0 + 1 + 10 + 12 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211210011012195 and 211210011012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210011012223) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 158566073668 + ... + 158566074999.

It is an arithmetic number, because the mean of its divisors is an integer number (19582910180249).

Almost surely, 2^{211210011012222} is an apocalyptic number.

211210011012222 is an abundant number, since it is smaller than the sum of its proper divisors (258779833313754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211210011012222 is a wasteful number, since it uses less digits than its factorization.

211210011012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317132148712 (or 317132148709 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211210011012222 its reverse (222210110012112), we get a palindrome (433420121024334).

The spelling of 211210011012222 in words is "two hundred eleven trillion, two hundred ten billion, eleven million, twelve thousand, two hundred twenty-two".