222021000010111 has 4 divisors (see below), whose sum is σ = 222021260829424. Its totient is φ = 222020739190800.

The previous prime is 222021000009979. The next prime is 222021000010169. The reversal of 222021000010111 is 111010000120222.

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 222021000010111 - 2¹⁷ = 222020999879039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222021000010091 and 222021000010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021000080111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129128595 + ... + 130836676.

It is an arithmetic number, because the mean of its divisors is an integer number (55505315207356).

Almost surely, 2^{222021000010111} is an apocalyptic number.

222021000010111 is a deficient number, since it is larger than the sum of its proper divisors (260819313).

222021000010111 is an equidigital number, since it uses as much as digits as its factorization.

222021000010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260819312.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222021000010111 its reverse (111010000120222), we get a palindrome (333031000130333).

The spelling of 222021000010111 in words is "two hundred twenty-two trillion, twenty-one billion, ten thousand, one hundred eleven".