22022021021111 has 8 divisors (see below), whose sum is σ = 22805359229664. Its totient is φ = 21252306085920.

The previous prime is 22022021021087. The next prime is 22022021021123. The reversal of 22022021021111 is 11112012022022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22022021021111 is a prime.

It is a super-2 number, since 2×22022021021111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22022021021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022021023111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3405815051 + ... + 3405821516.

It is an arithmetic number, because the mean of its divisors is an integer number (2850669903708).

Almost surely, 2^{22022021021111} is an apocalyptic number.

22022021021111 is a deficient number, since it is larger than the sum of its proper divisors (783338208553).

22022021021111 is an equidigital number, since it uses as much as digits as its factorization.

22022021021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811636681.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22022021021111 its reverse (11112012022022), we get a palindrome (33134033043133).

The spelling of 22022021021111 in words is "twenty-two trillion, twenty-two billion, twenty-one million, twenty-one thousand, one hundred eleven".