222021202111105 has 4 divisors (see below), whose sum is σ = 266425442533332. Its totient is φ = 177616961688880.

The previous prime is 222021202110973. The next prime is 222021202111127. The reversal of 222021202111105 is 501111202120222.

222021202111105 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 can be written as a sum of positive squares in 2 ways, for example, as 153384682910449 + 68636519200656 = 12384857^2 + 8284716^2 .

It is not a de Polignac number, because 222021202111105 - 2⁹ = 222021202110593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22202120211106 + ... + 22202120211115.

It is an arithmetic number, because the mean of its divisors is an integer number (66606360633333).

Almost surely, 2^{222021202111105} is an apocalyptic number.

It is an amenable number.

222021202111105 is a deficient number, since it is larger than the sum of its proper divisors (44404240422227).

222021202111105 is an equidigital number, since it uses as much as digits as its factorization.

222021202111105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44404240422226.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 222021202111105 its reverse (501111202120222), we get a palindrome (723132404231327).

The spelling of 222021202111105 in words is "two hundred twenty-two trillion, twenty-one billion, two hundred two million, one hundred eleven thousand, one hundred five".