100000222220211 has 4 divisors (see below), whose sum is σ = 133333629626952. Its totient is φ = 66666814813472.

The previous prime is 100000222220149. The next prime is 100000222220233. The reversal of 100000222220211 is 112022222000001.

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 100000222220211 - 2⁹ = 100000222219699 is a prime.

It is a super-5 number, since 5×100000222220211⁵ (a number of 71 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (100000222220011) 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, 16666703703366 + ... + 16666703703371.

It is an arithmetic number, because the mean of its divisors is an integer number (33333407406738).

Almost surely, 2^{100000222220211} is an apocalyptic number.

100000222220211 is a deficient number, since it is larger than the sum of its proper divisors (33333407406741).

100000222220211 is an equidigital number, since it uses as much as digits as its factorization.

100000222220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333407406740.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100000222220211 its reverse (112022222000001), we get a palindrome (212022444220212).

The spelling of 100000222220211 in words is "one hundred trillion, two hundred twenty-two million, two hundred twenty thousand, two hundred eleven".