20224022111 has 8 divisors (see below), whose sum is σ = 20648824560. Its totient is φ = 19803532672.

The previous prime is 20224022099. The next prime is 20224022173. The reversal of 20224022111 is 11122042202.

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-20224022111 is a prime.

It is a super-2 number, since 2×20224022111² (a number of 21 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 20224022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224022191) 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 7 ways as a sum of consecutive naturals, for example, 1068776 + ... + 1087533.

It is an arithmetic number, because the mean of its divisors is an integer number (2581103070).

Almost surely, 2^20224022111 is an apocalyptic number.

20224022111 is a deficient number, since it is larger than the sum of its proper divisors (424802449).

20224022111 is a wasteful number, since it uses less digits than its factorization.

20224022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156505.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20224022111 its reverse (11122042202), we get a palindrome (31346064313).

The spelling of 20224022111 in words is "twenty billion, two hundred twenty-four million, twenty-two thousand, one hundred eleven".