212021200111010 has 8 divisors (see below), whose sum is σ = 381638160199836. Its totient is φ = 84808480044400.

The previous prime is 212021200111003. The next prime is 212021200111051. The reversal of 212021200111010 is 10111002120212.

It can be written as a sum of positive squares in 2 ways, for example, as 178083340075369 + 33937860035641 = 13344787^2 + 5825621^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601060005541 + ... + 10601060005560.

Almost surely, 2^{212021200111010} is an apocalyptic number.

212021200111010 is a deficient number, since it is larger than the sum of its proper divisors (169616960088826).

212021200111010 is a wasteful number, since it uses less digits than its factorization.

212021200111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202120011108.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212021200111010 its reverse (10111002120212), we get a palindrome (222132202231222).

The spelling of 212021200111010 in words is "two hundred twelve trillion, twenty-one billion, two hundred million, one hundred eleven thousand, ten".