10220111222011 has 4 divisors (see below), whose sum is σ = 10235572813024. Its totient is φ = 10204649631000.

The previous prime is 10220111221993. The next prime is 10220111222047. The reversal of 10220111222011 is 11022211102201.

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 10220111222011 - 2³⁹ = 9670355408123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220111222311) 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 3 ways as a sum of consecutive naturals, for example, 7730794515 + ... + 7730795836.

It is an arithmetic number, because the mean of its divisors is an integer number (2558893203256).

Almost surely, 2^{10220111222011} is an apocalyptic number.

10220111222011 is a deficient number, since it is larger than the sum of its proper divisors (15461591013).

10220111222011 is an equidigital number, since it uses as much as digits as its factorization.

10220111222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15461591012.

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

Adding to 10220111222011 its reverse (11022211102201), we get a palindrome (21242322324212).

The spelling of 10220111222011 in words is "ten trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty-two thousand, eleven".