22102101001111 has 4 divisors (see below), whose sum is σ = 22106867471352. Its totient is φ = 22097334530872.

The previous prime is 22102101001103. The next prime is 22102101001121. The reversal of 22102101001111 is 11110010120122.

It is a happy number.

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 22102101001111 - 2³ = 22102101001103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102101001091 and 22102101001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102101001121) 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, 2383228165 + ... + 2383237438.

It is an arithmetic number, because the mean of its divisors is an integer number (5526716867838).

Almost surely, 2^{22102101001111} is an apocalyptic number.

22102101001111 is a deficient number, since it is larger than the sum of its proper divisors (4766470241).

22102101001111 is an equidigital number, since it uses as much as digits as its factorization.

22102101001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766470240.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22102101001111 its reverse (11110010120122), we get a palindrome (33212111121233).

The spelling of 22102101001111 in words is "twenty-two trillion, one hundred two billion, one hundred one million, one thousand, one hundred eleven".