212111211002022 has 12 divisors (see below), whose sum is σ = 459574290504420. Its totient is φ = 70703737000668.

The previous prime is 212111211001961. The next prime is 212111211002147. The reversal of 212111211002022 is 220200112111212.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11783956166779 = 212111211002022 / (2 + 1 + 2 + 1 + 1 + 1 + 2 + 1 + 1 + 0 + 0 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 212111211001986 and 212111211002004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5891978083372 + ... + 5891978083407.

It is an arithmetic number, because the mean of its divisors is an integer number (38297857542035).

Almost surely, 2^{212111211002022} is an apocalyptic number.

212111211002022 is an abundant number, since it is smaller than the sum of its proper divisors (247463079502398).

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

212111211002022 is a wasteful number, since it uses less digits than its factorization.

212111211002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11783956166787 (or 11783956166784 counting only the distinct ones).

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

Adding to 212111211002022 its reverse (220200112111212), we get a palindrome (432311323113234).

The spelling of 212111211002022 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred eleven million, two thousand, twenty-two".