222211020020111 has 4 divisors (see below), whose sum is σ = 222211451046792. Its totient is φ = 222210588993432.

The previous prime is 222211020020089. The next prime is 222211020020147. The reversal of 222211020020111 is 111020020112222.

222211020020111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222211020020111 - 2²² = 222211015825807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222211020020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211020020191) 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, 214739105 + ... + 215771418.

It is an arithmetic number, because the mean of its divisors is an integer number (55552862761698).

Almost surely, 2^{222211020020111} is an apocalyptic number.

222211020020111 is a deficient number, since it is larger than the sum of its proper divisors (431026681).

222211020020111 is an equidigital number, since it uses as much as digits as its factorization.

222211020020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431026680.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222211020020111 its reverse (111020020112222), we get a palindrome (333231040132333).

The spelling of 222211020020111 in words is "two hundred twenty-two trillion, two hundred eleven billion, twenty million, twenty thousand, one hundred eleven".