10001111222211 has 8 divisors (see below), whose sum is σ = 13695215367504. Its totient is φ = 6487207279200.

The previous prime is 10001111222197. The next prime is 10001111222237. The reversal of 10001111222211 is 11222211110001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10001111222211 - 2⁷ = 10001111222083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10001111222611) 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 7 ways as a sum of consecutive naturals, for example, 45050050440 + ... + 45050050661.

It is an arithmetic number, because the mean of its divisors is an integer number (1711901920938).

Almost surely, 2^{10001111222211} is an apocalyptic number.

10001111222211 is a deficient number, since it is larger than the sum of its proper divisors (3694104145293).

10001111222211 is an equidigital number, since it uses as much as digits as its factorization.

10001111222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90100101141.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10001111222211 its reverse (11222211110001), we get a palindrome (21223322332212).

The spelling of 10001111222211 in words is "ten trillion, one billion, one hundred eleven million, two hundred twenty-two thousand, two hundred eleven".