210220111101 has 48 divisors (see below), whose sum is σ = 383058462528. Its totient is φ = 100804838400.

The previous prime is 210220111081. The next prime is 210220111183. The reversal of 210220111101 is 101111022012.

210220111101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210220111101 - 2⁹ = 210220110589 is a prime.

It is a super-2 number, since 2×210220111101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220111501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4979220 + ... + 5021261.

It is an arithmetic number, because the mean of its divisors is an integer number (7980384636).

Almost surely, 2^210220111101 is an apocalyptic number.

210220111101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210220111101 is a deficient number, since it is larger than the sum of its proper divisors (172838351427).

210220111101 is a wasteful number, since it uses less digits than its factorization.

210220111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000522 (or 10000515 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210220111101 its reverse (101111022012), we get a palindrome (311331133113).

The spelling of 210220111101 in words is "two hundred ten billion, two hundred twenty million, one hundred eleven thousand, one hundred one".