122201000111 has 4 divisors (see below), whose sum is σ = 123092978352. Its totient is φ = 121309021872.

The previous prime is 122201000101. The next prime is 122201000123. The reversal of 122201000111 is 111000102221.

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 122201000111 - 2²² = 122196805807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122201000092 and 122201000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201000101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445988915 + ... + 445989188.

It is an arithmetic number, because the mean of its divisors is an integer number (30773244588).

Almost surely, 2^122201000111 is an apocalyptic number.

122201000111 is a deficient number, since it is larger than the sum of its proper divisors (891978241).

122201000111 is an equidigital number, since it uses as much as digits as its factorization.

122201000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891978240.

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

Adding to 122201000111 its reverse (111000102221), we get a palindrome (233201102332).

The spelling of 122201000111 in words is "one hundred twenty-two billion, two hundred one million, one hundred eleven", and thus it is an aban number.