22000102021111 has 4 divisors (see below), whose sum is σ = 22075187693832. Its totient is φ = 21925016348392.

The previous prime is 22000102021063. The next prime is 22000102021181. The reversal of 22000102021111 is 11112020100022.

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 22000102021111 - 2⁹ = 22000102020599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000102021091 and 22000102021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000102021181) 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, 37542835921 + ... + 37542836506.

It is an arithmetic number, because the mean of its divisors is an integer number (5518796923458).

Almost surely, 2^{22000102021111} is an apocalyptic number.

22000102021111 is a deficient number, since it is larger than the sum of its proper divisors (75085672721).

22000102021111 is an equidigital number, since it uses as much as digits as its factorization.

22000102021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75085672720.

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

Adding to 22000102021111 its reverse (11112020100022), we get a palindrome (33112122121133).

The spelling of 22000102021111 in words is "twenty-two trillion, one hundred two million, twenty-one thousand, one hundred eleven".