212011021101222 has 96 divisors (see below), whose sum is σ = 580294271564640. Its totient is φ = 57011367006720.

The previous prime is 212011021101221. The next prime is 212011021101233. The reversal of 212011021101222 is 222101120110212.

212011021101222 is a `hidden beast` number, since 2 + 120 + 110 + 211 + 0 + 1 + 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 = 212011021101195 and 212011021101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011021101221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2356575679 + ... + 2356665642.

It is an arithmetic number, because the mean of its divisors is an integer number (6044731995465).

Almost surely, 2^{212011021101222} is an apocalyptic number.

212011021101222 is an abundant number, since it is smaller than the sum of its proper divisors (368283250463418).

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

212011021101222 is a wasteful number, since it uses less digits than its factorization.

212011021101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713241363 (or 4713241350 counting only the distinct ones).

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

Adding to 212011021101222 its reverse (222101120110212), we get a palindrome (434112141211434).

The spelling of 212011021101222 in words is "two hundred twelve trillion, eleven billion, twenty-one million, one hundred one thousand, two hundred twenty-two".