20221001000111 has 2 divisors, whose sum is σ = 20221001000112. Its totient is φ = 20221001000110.

The previous prime is 20221001000099. The next prime is 20221001000113. The reversal of 20221001000111 is 11100010012202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20221001000111 - 2³⁸ = 19946123093167 is a prime.

Together with 20221001000113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20221001000092 and 20221001000101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221001000113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110500500055 + 10110500500056.

It is an arithmetic number, because the mean of its divisors is an integer number (10110500500056).

Almost surely, 2^{20221001000111} is an apocalyptic number.

20221001000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221001000111 is an equidigital number, since it uses as much as digits as its factorization.

20221001000111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20221001000111 its reverse (11100010012202), we get a palindrome (31321011012313).

The spelling of 20221001000111 in words is "twenty trillion, two hundred twenty-one billion, one million, one hundred eleven", and thus it is an aban number.