100220211105 has 32 divisors (see below), whose sum is σ = 183285467904. Its totient is φ = 45808540416.

The previous prime is 100220211103. The next prime is 100220211137. The reversal of 100220211105 is 501112022001.

It is not a de Polignac number, because 100220211105 - 2¹ = 100220211103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100220211103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732147 + ... + 858183.

It is an arithmetic number, because the mean of its divisors is an integer number (5727670872).

Almost surely, 2^100220211105 is an apocalyptic number.

100220211105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100220211105 is a deficient number, since it is larger than the sum of its proper divisors (83065256799).

100220211105 is a wasteful number, since it uses less digits than its factorization.

100220211105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133625.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 100220211105 its reverse (501112022001), we get a palindrome (601332233106).

The spelling of 100220211105 in words is "one hundred billion, two hundred twenty million, two hundred eleven thousand, one hundred five".