10220220221111 has 4 divisors (see below), whose sum is σ = 10325583316272. Its totient is φ = 10114857125952.

The previous prime is 10220220221093. The next prime is 10220220221147. The reversal of 10220220221111 is 11112202202201.

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 10220220221111 - 2⁶ = 10220220221047 is a prime.

It is a super-4 number, since 4×10220220221111⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10220220221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220220223111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52681547435 + ... + 52681547628.

It is an arithmetic number, because the mean of its divisors is an integer number (2581395829068).

Almost surely, 2^{10220220221111} is an apocalyptic number.

10220220221111 is a deficient number, since it is larger than the sum of its proper divisors (105363095161).

10220220221111 is an equidigital number, since it uses as much as digits as its factorization.

10220220221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105363095160.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10220220221111 its reverse (11112202202201), we get a palindrome (21332422423312).

The spelling of 10220220221111 in words is "ten trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-one thousand, one hundred eleven".