212220210011022 has 64 divisors (see below), whose sum is σ = 486816923473920. Its totient is φ = 68457634660800.

The previous prime is 212220210010969. The next prime is 212220210011023. The reversal of 212220210011022 is 220110012022212.

It is a happy number.

212220210011022 is a `hidden beast` number, since 212 + 220 + 2 + 100 + 110 + 22 = 666.

212220210011022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212220210011022² (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 = 212220210010986 and 212220210011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220210011023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281396122 + ... + 282149282.

It is an arithmetic number, because the mean of its divisors is an integer number (7606514429280).

Almost surely, 2^{212220210011022} is an apocalyptic number.

212220210011022 is an abundant number, since it is smaller than the sum of its proper divisors (274596713462898).

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

212220210011022 is a wasteful number, since it uses less digits than its factorization.

212220210011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921526 (or 921520 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212220210011022 its reverse (220110012022212), we get a palindrome (432330222033234).

The spelling of 212220210011022 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred ten million, eleven thousand, twenty-two".