11012222222211 has 32 divisors (see below), whose sum is σ = 17086801120768. Its totient is φ = 6178223600640.

The previous prime is 11012222222207. The next prime is 11012222222227. The reversal of 11012222222211 is 11222222221011.

It is not a de Polignac number, because 11012222222211 - 2² = 11012222222207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012222222611) 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, 7157230 + ... + 8558643.

It is an arithmetic number, because the mean of its divisors is an integer number (533962535024).

Almost surely, 2^{11012222222211} is an apocalyptic number.

11012222222211 is a deficient number, since it is larger than the sum of its proper divisors (6074578898557).

11012222222211 is a wasteful number, since it uses less digits than its factorization.

11012222222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15716491.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11012222222211 its reverse (11222222221011), we get a palindrome (22234444443222).

The spelling of 11012222222211 in words is "eleven trillion, twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred eleven".