212211021110022 has 192 divisors, whose sum is σ = 534304057757184. Its totient is φ = 60158116101120.

The previous prime is 212211021109999. The next prime is 212211021110051. The reversal of 212211021110022 is 220011120112212.

212211021110022 is a `hidden beast` number, since 212 + 211 + 0 + 211 + 10 + 0 + 22 = 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 = 212211021109977 and 212211021110004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2333302753 + ... + 2333393699.

It is an arithmetic number, because the mean of its divisors is an integer number (2782833634152).

Almost surely, 2^{212211021110022} is an apocalyptic number.

212211021110022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 212211021110022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267152028878592).

212211021110022 is an abundant number, since it is smaller than the sum of its proper divisors (322093036647162).

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

212211021110022 is a wasteful number, since it uses less digits than its factorization.

212211021110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95163 (or 95160 counting only the distinct ones).

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

Adding to 212211021110022 its reverse (220011120112212), we get a palindrome (432222141222234).

The spelling of 212211021110022 in words is "two hundred twelve trillion, two hundred eleven billion, twenty-one million, one hundred ten thousand, twenty-two".