22002222212211 has 4 divisors (see below), whose sum is σ = 29336296282952. Its totient is φ = 14668148141472.

The previous prime is 22002222212207. The next prime is 22002222212213. The reversal of 22002222212211 is 11221222220022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22002222212211 - 2² = 22002222212207 is a prime.

It is a super-2 number, since 2×22002222212211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002222212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667037035366 + ... + 3667037035371.

It is an arithmetic number, because the mean of its divisors is an integer number (7334074070738).

Almost surely, 2^{22002222212211} is an apocalyptic number.

22002222212211 is a deficient number, since it is larger than the sum of its proper divisors (7334074070741).

22002222212211 is an equidigital number, since it uses as much as digits as its factorization.

22002222212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334074070740.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22002222212211 its reverse (11221222220022), we get a palindrome (33223444432233).

The spelling of 22002222212211 in words is "twenty-two trillion, two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred eleven".