10212220222011 has 8 divisors (see below), whose sum is σ = 15129215143760. Its totient is φ = 6808146814656.

The previous prime is 10212220221977. The next prime is 10212220222157. The reversal of 10212220222011 is 11022202221201.

It is a happy number.

10212220222011 is a `hidden beast` number, since 1 + 0 + 212 + 220 + 2 + 220 + 11 = 666.

It is not a de Polignac number, because 10212220222011 - 2⁶ = 10212220221947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212220226011) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 189115189270 + ... + 189115189323.

It is an arithmetic number, because the mean of its divisors is an integer number (1891151892970).

Almost surely, 2^{10212220222011} is an apocalyptic number.

10212220222011 is a deficient number, since it is larger than the sum of its proper divisors (4916994921749).

10212220222011 is an equidigital number, since it uses as much as digits as its factorization.

10212220222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378230378602 (or 378230378596 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10212220222011 its reverse (11022202221201), we get a palindrome (21234422443212).

The spelling of 10212220222011 in words is "ten trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, eleven".