22221122102111 has 4 divisors (see below), whose sum is σ = 22502402128800. Its totient is φ = 21939842075424.

The previous prime is 22221122102071. The next prime is 22221122102131. The reversal of 22221122102111 is 11120122112222.

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 22221122102111 - 2³⁸ = 21946244195167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221122102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140640013226 + ... + 140640013383.

It is an arithmetic number, because the mean of its divisors is an integer number (5625600532200).

Almost surely, 2^{22221122102111} is an apocalyptic number.

22221122102111 is a deficient number, since it is larger than the sum of its proper divisors (281280026689).

22221122102111 is an equidigital number, since it uses as much as digits as its factorization.

22221122102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281280026688.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22221122102111 its reverse (11120122112222), we get a palindrome (33341244214333).

The spelling of 22221122102111 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, one hundred eleven".