211211102010222 has 24 divisors (see below), whose sum is σ = 474573093406776. Its totient is φ = 70403700669912.

The previous prime is 211211102010203. The next prime is 211211102010287. The reversal of 211211102010222 is 222010201112112.

211211102010222 is a `hidden beast` number, since 21 + 1 + 211 + 10 + 201 + 0 + 222 = 666.

It is a super-2 number, since 2×211211102010222² (a number of 29 digits) contains 22 as substring.

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 = 211211102010195 and 211211102010204.

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 11 ways as a sum of consecutive naturals, for example, 217295371953 + ... + 217295372924.

It is an arithmetic number, because the mean of its divisors is an integer number (19773878891949).

Almost surely, 2^{211211102010222} is an apocalyptic number.

211211102010222 is an abundant number, since it is smaller than the sum of its proper divisors (263361991396554).

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

211211102010222 is an equidigital number, since it uses as much as digits as its factorization.

211211102010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434590744894 (or 434590744882 counting only the distinct ones).

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

Adding to 211211102010222 its reverse (222010201112112), we get a palindrome (433221303122334).

The spelling of 211211102010222 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred two million, ten thousand, two hundred twenty-two".