10211210220212 has 6 divisors (see below), whose sum is σ = 17869617885378. Its totient is φ = 5105605110104.

The previous prime is 10211210220191. The next prime is 10211210220301. The reversal of 10211210220212 is 21202201211201.

It can be written as a sum of positive squares in only one way, i.e., 10134634048036 + 76576172176 = 3183494^2 + 276724^2 .

It is a super-3 number, since 3×10211210220212³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276401277523 + ... + 1276401277530.

It is an arithmetic number, because the mean of its divisors is an integer number (2978269647563).

Almost surely, 2^{10211210220212} is an apocalyptic number.

It is an amenable number.

10211210220212 is a deficient number, since it is larger than the sum of its proper divisors (7658407665166).

10211210220212 is a wasteful number, since it uses less digits than its factorization.

10211210220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552802555057 (or 2552802555055 counting only the distinct ones).

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

Adding to 10211210220212 its reverse (21202201211201), we get a palindrome (31413411431413).

The spelling of 10211210220212 in words is "ten trillion, two hundred eleven billion, two hundred ten million, two hundred twenty thousand, two hundred twelve".