20221102111 has 4 divisors (see below), whose sum is σ = 23109830992. Its totient is φ = 17332373232.

The previous prime is 20221102103. The next prime is 20221102117. The reversal of 20221102111 is 11120112202.

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 20221102111 - 2³ = 20221102103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221102091 and 20221102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221102117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444364430 + ... + 1444364443.

It is an arithmetic number, because the mean of its divisors is an integer number (5777457748).

Almost surely, 2^20221102111 is an apocalyptic number.

20221102111 is a deficient number, since it is larger than the sum of its proper divisors (2888728881).

20221102111 is an equidigital number, since it uses as much as digits as its factorization.

20221102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888728880.

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

Adding to 20221102111 its reverse (11120112202), we get a palindrome (31341214313).

The spelling of 20221102111 in words is "twenty billion, two hundred twenty-one million, one hundred two thousand, one hundred eleven".