210220111100011 has 4 divisors (see below), whose sum is σ = 210504576745000. Its totient is φ = 209935645455024.

The previous prime is 210220111100009. The next prime is 210220111100023. The reversal of 210220111100011 is 110001111022012.

It is a happy number.

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 210220111100011 - 2¹ = 210220111100009 is a prime.

It is a super-2 number, since 2×210220111100011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210220111099964 and 210220111100000.

It is not an unprimeable number, because it can be changed into a prime (210220111100411) 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, 142232821386 + ... + 142232822863.

It is an arithmetic number, because the mean of its divisors is an integer number (52626144186250).

Almost surely, 2^{210220111100011} is an apocalyptic number.

210220111100011 is a deficient number, since it is larger than the sum of its proper divisors (284465644989).

210220111100011 is an equidigital number, since it uses as much as digits as its factorization.

210220111100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284465644988.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210220111100011 its reverse (110001111022012), we get a palindrome (320221222122023).

The spelling of 210220111100011 in words is "two hundred ten trillion, two hundred twenty billion, one hundred eleven million, one hundred thousand, eleven".