212201001102122 has 8 divisors (see below), whose sum is σ = 318506990038500. Its totient is φ = 106032004422624.

The previous prime is 212201001102121. The next prime is 212201001102191. The reversal of 212201001102122 is 221201100102212.

It can be written as a sum of positive squares in 2 ways, for example, as 211519238777401 + 681762324721 = 14543701^2 + 825689^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 212201001102122.

It is not an unprimeable number, because it can be changed into a prime (212201001102121) 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, 34248060347 + ... + 34248066542.

Almost surely, 2^{212201001102122} is an apocalyptic number.

212201001102122 is a deficient number, since it is larger than the sum of its proper divisors (106305988936378).

212201001102122 is a wasteful number, since it uses less digits than its factorization.

212201001102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68496128440.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212201001102122 its reverse (221201100102212), we get a palindrome (433402101204334).

The spelling of 212201001102122 in words is "two hundred twelve trillion, two hundred one billion, one million, one hundred two thousand, one hundred twenty-two".