212111202222022 has 4 divisors (see below), whose sum is σ = 318166803333036. Its totient is φ = 106055601111010.

The previous prime is 212111202221983. The next prime is 212111202222037. The reversal of 212111202222022 is 220222202111212.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 212111202221984 and 212111202222002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53027800555504 + ... + 53027800555507.

It is an arithmetic number, because the mean of its divisors is an integer number (79541700833259).

Almost surely, 2^{212111202222022} is an apocalyptic number.

212111202222022 is a deficient number, since it is larger than the sum of its proper divisors (106055601111014).

212111202222022 is a wasteful number, since it uses less digits than its factorization.

212111202222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106055601111013.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212111202222022 its reverse (220222202111212), we get a palindrome (432333404333234).

The spelling of 212111202222022 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred two million, two hundred twenty-two thousand, twenty-two".