222011210111011 has 4 divisors (see below), whose sum is σ = 222022210042512. Its totient is φ = 222000210179512.

The previous prime is 222011210110969. The next prime is 222011210111023. The reversal of 222011210111011 is 110111012110222.

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 222011210111011 - 2¹³ = 222011210102819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222011210111711) 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, 5499935476 + ... + 5499975841.

It is an arithmetic number, because the mean of its divisors is an integer number (55505552510628).

Almost surely, 2^{222011210111011} is an apocalyptic number.

222011210111011 is a deficient number, since it is larger than the sum of its proper divisors (10999931501).

222011210111011 is a wasteful number, since it uses less digits than its factorization.

222011210111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10999931500.

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

Adding to 222011210111011 its reverse (110111012110222), we get a palindrome (332122222221233).

The spelling of 222011210111011 in words is "two hundred twenty-two trillion, eleven billion, two hundred ten million, one hundred eleven thousand, eleven".