100220122222211 has 4 divisors (see below), whose sum is σ = 104577518840592. Its totient is φ = 95862725603832.

The previous prime is 100220122222189. The next prime is 100220122222237. The reversal of 100220122222211 is 112222221022001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100220122222211 is a prime.

It is a super-2 number, since 2×100220122222211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220122225211) 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, 2178698309156 + ... + 2178698309201.

It is an arithmetic number, because the mean of its divisors is an integer number (26144379710148).

Almost surely, 2^{100220122222211} is an apocalyptic number.

100220122222211 is a deficient number, since it is larger than the sum of its proper divisors (4357396618381).

100220122222211 is an equidigital number, since it uses as much as digits as its factorization.

100220122222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357396618380.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100220122222211 its reverse (112222221022001), we get a palindrome (212442343244212).

The spelling of 100220122222211 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred eleven".