212111000022202 has 8 divisors (see below), whose sum is σ = 318256657737300. Its totient is φ = 106025447443104.

The previous prime is 212111000022197. The next prime is 212111000022203. The reversal of 212111000022202 is 202220000111212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 209648419936081 + 2462580086121 = 14479241^2 + 1569261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212111000022203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15026275177 + ... + 15026289292.

Almost surely, 2^{212111000022202} is an apocalyptic number.

212111000022202 is a deficient number, since it is larger than the sum of its proper divisors (106145657715098).

212111000022202 is a wasteful number, since it uses less digits than its factorization.

212111000022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30052568000.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212111000022202 its reverse (202220000111212), we get a palindrome (414331000133414).

The spelling of 212111000022202 in words is "two hundred twelve trillion, one hundred eleven billion, twenty-two thousand, two hundred two".