1000222211211 has 8 divisors (see below), whose sum is σ = 1333648002960. Its totient is φ = 666805613472.

The previous prime is 1000222211159. The next prime is 1000222211239. The reversal of 1000222211211 is 1121122220001.

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

It is not a de Polignac number, because 1000222211211 - 2¹⁷ = 1000222080139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000222211011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040520 + ... + 2482773.

It is an arithmetic number, because the mean of its divisors is an integer number (166706000370).

Almost surely, 2^{1000222211211} is an apocalyptic number.

1000222211211 is a deficient number, since it is larger than the sum of its proper divisors (333425791749).

1000222211211 is an equidigital number, since it uses as much as digits as its factorization.

1000222211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597005.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1000222211211 its reverse (1121122220001), we get a palindrome (2121344431212).

The spelling of 1000222211211 in words is "one trillion, two hundred twenty-two million, two hundred eleven thousand, two hundred eleven".