222020211111011 has 4 divisors (see below), whose sum is σ = 222062125447272. Its totient is φ = 221978296774752.

The previous prime is 222020211111007. The next prime is 222020211111037. The reversal of 222020211111011 is 110111112020222.

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 222020211111011 - 2² = 222020211111007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222020211111001) 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, 20957160185 + ... + 20957170778.

It is an arithmetic number, because the mean of its divisors is an integer number (55515531361818).

Almost surely, 2^{222020211111011} is an apocalyptic number.

222020211111011 is a deficient number, since it is larger than the sum of its proper divisors (41914336261).

222020211111011 is an equidigital number, since it uses as much as digits as its factorization.

222020211111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41914336260.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222020211111011 its reverse (110111112020222), we get a palindrome (332131323131233).

It can be divided in two parts, 222020211 and 111011, that added together give a palindrome (222131222).

The spelling of 222020211111011 in words is "two hundred twenty-two trillion, twenty billion, two hundred eleven million, one hundred eleven thousand, eleven".