22022120020111 has 4 divisors (see below), whose sum is σ = 22116635556912. Its totient is φ = 21927604483312.

The previous prime is 22022120020091. The next prime is 22022120020171. The reversal of 22022120020111 is 11102002122022.

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 22022120020111 - 2¹⁹ = 22022119495823 is a prime.

It is a super-2 number, since 2×22022120020111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022120020171) 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, 47257768051 + ... + 47257768516.

It is an arithmetic number, because the mean of its divisors is an integer number (5529158889228).

Almost surely, 2^{22022120020111} is an apocalyptic number.

22022120020111 is a deficient number, since it is larger than the sum of its proper divisors (94515536801).

22022120020111 is an equidigital number, since it uses as much as digits as its factorization.

22022120020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94515536800.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22022120020111 its reverse (11102002122022), we get a palindrome (33124122142133).

The spelling of 22022120020111 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, twenty thousand, one hundred eleven".