10221212102011 has 4 divisors (see below), whose sum is σ = 10221244360632. Its totient is φ = 10221179843392.

The previous prime is 10221212101999. The next prime is 10221212102029. The reversal of 10221212102011 is 11020121212201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10221212102011 - 2³⁷ = 10083773148539 is a prime.

It is a super-2 number, since 2×10221212102011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221212102041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15649270 + ... + 16289323.

It is an arithmetic number, because the mean of its divisors is an integer number (2555311090158).

Almost surely, 2^{10221212102011} is an apocalyptic number.

10221212102011 is a deficient number, since it is larger than the sum of its proper divisors (32258621).

10221212102011 is an equidigital number, since it uses as much as digits as its factorization.

10221212102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32258620.

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

Adding to 10221212102011 its reverse (11020121212201), we get a palindrome (21241333314212).

The spelling of 10221212102011 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one hundred two thousand, eleven".