212021111220010 has 32 divisors (see below), whose sum is σ = 394820236949760. Its totient is φ = 81879388997952.

The previous prime is 212021111219987. The next prime is 212021111220011. The reversal of 212021111220010 is 10022111120212.

It is not an unprimeable number, because it can be changed into a prime (212021111220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15509554 + ... + 25779613.

It is an arithmetic number, because the mean of its divisors is an integer number (12338132404680).

Almost surely, 2^{212021111220010} is an apocalyptic number.

212021111220010 is a deficient number, since it is larger than the sum of its proper divisors (182799125729750).

212021111220010 is a wasteful number, since it uses less digits than its factorization.

212021111220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41306910.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212021111220010 its reverse (10022111120212), we get a palindrome (222043222340222).

The spelling of 212021111220010 in words is "two hundred twelve trillion, twenty-one billion, one hundred eleven million, two hundred twenty thousand, ten".