211011220022022 has 32 divisors (see below), whose sum is σ = 535901511168000. Its totient is φ = 60288920006184.

The previous prime is 211011220021997. The next prime is 211011220022027. The reversal of 211011220022022 is 220220022110112.

It is a happy number.

211011220022022 is a `hidden beast` number, since 2 + 110 + 112 + 200 + 220 + 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 = 211011220021986 and 211011220022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011220022027) 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 15 ways as a sum of consecutive naturals, for example, 279115370022 + ... + 279115370777.

It is an arithmetic number, because the mean of its divisors is an integer number (16746922224000).

Almost surely, 2^{211011220022022} is an apocalyptic number.

211011220022022 is an abundant number, since it is smaller than the sum of its proper divisors (324890291145978).

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

211011220022022 is a wasteful number, since it uses less digits than its factorization.

211011220022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558230740817 (or 558230740811 counting only the distinct ones).

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

Adding to 211011220022022 its reverse (220220022110112), we get a palindrome (431231242132134).

The spelling of 211011220022022 in words is "two hundred eleven trillion, eleven billion, two hundred twenty million, twenty-two thousand, twenty-two".