211100222021022 has 48 divisors (see below), whose sum is σ = 458404285322880. Its totient is φ = 70209787200000.

The previous prime is 211100222020997. The next prime is 211100222021027. The reversal of 211100222021022 is 220120222001112.

It is a happy number.

211100222021022 is a `hidden beast` number, since 211 + 1 + 0 + 0 + 2 + 220 + 210 + 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 = 211100222020986 and 211100222021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100222021027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58614022 + ... + 62111222.

It is an arithmetic number, because the mean of its divisors is an integer number (9550089277560).

Almost surely, 2^{211100222021022} is an apocalyptic number.

211100222021022 is an abundant number, since it is smaller than the sum of its proper divisors (247304063301858).

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

211100222021022 is a wasteful number, since it uses less digits than its factorization.

211100222021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504689 (or 3504686 counting only the distinct ones).

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

Adding to 211100222021022 its reverse (220120222001112), we get a palindrome (431220444022134).

The spelling of 211100222021022 in words is "two hundred eleven trillion, one hundred billion, two hundred twenty-two million, twenty-one thousand, twenty-two".