20221000111 has 8 divisors (see below), whose sum is σ = 21906861984. Its totient is φ = 18553766880.

The previous prime is 20221000109. The next prime is 20221000141. The reversal of 20221000111 is 11100012202.

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

It is a cyclic number.

It is not a de Polignac number, because 20221000111 - 2¹ = 20221000109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221000141) 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, 4654900 + ... + 4659241.

It is an arithmetic number, because the mean of its divisors is an integer number (2738357748).

Almost surely, 2^20221000111 is an apocalyptic number.

20221000111 is a deficient number, since it is larger than the sum of its proper divisors (1685861873).

20221000111 is a wasteful number, since it uses less digits than its factorization.

20221000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314321.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20221000111 its reverse (11100012202), we get a palindrome (31321012313).

The spelling of 20221000111 in words is "twenty billion, two hundred twenty-one million, one hundred eleven", and thus it is an aban number.